diff --git a/src/gui/exportWin.cpp b/src/gui/exportWin.cpp
index 796412ba3..ed1cc2f34 100644
--- a/src/gui/exportWin.cpp
+++ b/src/gui/exportWin.cpp
@@ -24,206 +24,213 @@
 
 void FurnaceGUI::drawExport() {
   exitDisabledTimer=1;
-  if (ImGui::BeginTabBar("ExportTypes")) {
-      if (ImGui::BeginTabItem("Audio")) {
-        static int audioExportType=0;
-        ImGui::RadioButton("one file",&audioExportType,0);
-        ImGui::RadioButton("multiple files (one per chip)",&audioExportType,1);
-        ImGui::RadioButton("multiple files (one per channel)",&audioExportType,2);
-        if (ImGui::InputInt("Loops",&exportLoops,1,2)) {
-          if (exportLoops<0) exportLoops=0;
-        }
-        if (ImGui::InputDouble("Fade out (seconds)",&exportFadeOut,1.0,2.0,"%.1f")) {
-          if (exportFadeOut<0.0) exportFadeOut=0.0;
-        }
 
-        if (ImGui::Button("Export")) {
-          switch (audioExportType) {
-            case 0:
-              openFileDialog(GUI_FILE_EXPORT_AUDIO_ONE);
-              break;
-            case 1:
-              openFileDialog(GUI_FILE_EXPORT_AUDIO_PER_SYS);
-              break;
-            case 2:
-              openFileDialog(GUI_FILE_EXPORT_AUDIO_PER_CHANNEL);
-              break;
+  ImVec2 avail=ImGui::GetContentRegionAvail();
+  avail.y-=ImGui::GetFrameHeightWithSpacing();
+
+  if (ImGui::BeginChild("sysPickerC",avail,false,ImGuiWindowFlags_NoScrollWithMouse|ImGuiWindowFlags_NoScrollbar)) {
+    if (ImGui::BeginTabBar("ExportTypes")) {
+        if (ImGui::BeginTabItem("Audio")) {
+          static int audioExportType=0;
+          ImGui::RadioButton("one file",&audioExportType,0);
+          ImGui::RadioButton("multiple files (one per chip)",&audioExportType,1);
+          ImGui::RadioButton("multiple files (one per channel)",&audioExportType,2);
+          if (ImGui::InputInt("Loops",&exportLoops,1,2)) {
+            if (exportLoops<0) exportLoops=0;
           }
-          ImGui::CloseCurrentPopup();
+          if (ImGui::InputDouble("Fade out (seconds)",&exportFadeOut,1.0,2.0,"%.1f")) {
+            if (exportFadeOut<0.0) exportFadeOut=0.0;
+          }
+
+          if (ImGui::Button("Export")) {
+            switch (audioExportType) {
+              case 0:
+                openFileDialog(GUI_FILE_EXPORT_AUDIO_ONE);
+                break;
+              case 1:
+                openFileDialog(GUI_FILE_EXPORT_AUDIO_PER_SYS);
+                break;
+              case 2:
+                openFileDialog(GUI_FILE_EXPORT_AUDIO_PER_CHANNEL);
+                break;
+            }
+            ImGui::CloseCurrentPopup();
+          }
+          ImGui::EndTabItem();
         }
-        ImGui::EndTabItem();
-      }
-      if (ImGui::BeginTabItem("VGM")) {
-        ImGui::Text("settings:");
-            if (ImGui::BeginCombo("format version",fmt::sprintf("%d.%.2x",vgmExportVersion>>8,vgmExportVersion&0xff).c_str())) {
-              for (int i=0; i<7; i++) {
-                if (ImGui::Selectable(fmt::sprintf("%d.%.2x",vgmVersions[i]>>8,vgmVersions[i]&0xff).c_str(),vgmExportVersion==vgmVersions[i])) {
-                  vgmExportVersion=vgmVersions[i];
+        if (ImGui::BeginTabItem("VGM")) {
+          ImGui::Text("settings:");
+              if (ImGui::BeginCombo("format version",fmt::sprintf("%d.%.2x",vgmExportVersion>>8,vgmExportVersion&0xff).c_str())) {
+                for (int i=0; i<7; i++) {
+                  if (ImGui::Selectable(fmt::sprintf("%d.%.2x",vgmVersions[i]>>8,vgmVersions[i]&0xff).c_str(),vgmExportVersion==vgmVersions[i])) {
+                    vgmExportVersion=vgmVersions[i];
+                  }
                 }
+                ImGui::EndCombo();
               }
-              ImGui::EndCombo();
-            }
-            ImGui::Checkbox("loop",&vgmExportLoop);
-            if (vgmExportLoop && e->song.loopModality==2) {
-              ImGui::Text("loop trail:");
-              ImGui::Indent();
-              if (ImGui::RadioButton("auto-detect",vgmExportTrailingTicks==-1)) {
-                vgmExportTrailingTicks=-1;
-              }
-              if (ImGui::RadioButton("add one loop",vgmExportTrailingTicks==-2)) {
-                vgmExportTrailingTicks=-2;
-              }
-              if (ImGui::RadioButton("custom",vgmExportTrailingTicks>=0)) {
-                vgmExportTrailingTicks=0;
-              }
-              if (vgmExportTrailingTicks>=0) {
-                ImGui::SameLine();
-                if (ImGui::InputInt("##TrailTicks",&vgmExportTrailingTicks,1,100)) {
-                  if (vgmExportTrailingTicks<0) vgmExportTrailingTicks=0;
+              ImGui::Checkbox("loop",&vgmExportLoop);
+              if (vgmExportLoop && e->song.loopModality==2) {
+                ImGui::Text("loop trail:");
+                ImGui::Indent();
+                if (ImGui::RadioButton("auto-detect",vgmExportTrailingTicks==-1)) {
+                  vgmExportTrailingTicks=-1;
                 }
+                if (ImGui::RadioButton("add one loop",vgmExportTrailingTicks==-2)) {
+                  vgmExportTrailingTicks=-2;
+                }
+                if (ImGui::RadioButton("custom",vgmExportTrailingTicks>=0)) {
+                  vgmExportTrailingTicks=0;
+                }
+                if (vgmExportTrailingTicks>=0) {
+                  ImGui::SameLine();
+                  if (ImGui::InputInt("##TrailTicks",&vgmExportTrailingTicks,1,100)) {
+                    if (vgmExportTrailingTicks<0) vgmExportTrailingTicks=0;
+                  }
+                }
+                ImGui::Unindent();
               }
-              ImGui::Unindent();
-            }
-            ImGui::Checkbox("add pattern change hints",&vgmExportPatternHints);
-            if (ImGui::IsItemHovered()) {
-              ImGui::SetTooltip(
-                "inserts data blocks on pattern changes.\n"
-                "useful if you are writing a playback routine.\n\n"
+              ImGui::Checkbox("add pattern change hints",&vgmExportPatternHints);
+              if (ImGui::IsItemHovered()) {
+                ImGui::SetTooltip(
+                  "inserts data blocks on pattern changes.\n"
+                  "useful if you are writing a playback routine.\n\n"
 
-                "the format of a pattern change data block is:\n"
-                "67 66 FE ll ll ll ll 01 oo rr pp pp pp ...\n"
-                "- ll: length, a 32-bit little-endian number\n"
-                "- oo: order\n"
-                "- rr: initial row (a 0Dxx effect is able to select a different row)\n"
-                "- pp: pattern index (one per channel)\n\n"
+                  "the format of a pattern change data block is:\n"
+                  "67 66 FE ll ll ll ll 01 oo rr pp pp pp ...\n"
+                  "- ll: length, a 32-bit little-endian number\n"
+                  "- oo: order\n"
+                  "- rr: initial row (a 0Dxx effect is able to select a different row)\n"
+                  "- pp: pattern index (one per channel)\n\n"
 
-                "pattern indexes are ordered as they appear in the song."
-              );
-            }
-            ImGui::Checkbox("direct stream mode",&vgmExportDirectStream);
-            if (ImGui::IsItemHovered()) {
-              ImGui::SetTooltip(
-                "required for DualPCM and MSM6258 export.\n\n"
-                "allows for volume/direction changes when playing samples,\n"
-                "at the cost of a massive increase in file size."
-              );
-            }
-            ImGui::Text("chips to export:");
-            bool hasOneAtLeast=false;
-            for (int i=0; i<e->song.systemLen; i++) {
-              int minVersion=e->minVGMVersion(e->song.system[i]);
-              ImGui::BeginDisabled(minVersion>vgmExportVersion || minVersion==0);
-              ImGui::Checkbox(fmt::sprintf("%d. %s##_SYSV%d",i+1,getSystemName(e->song.system[i]),i).c_str(),&willExport[i]);
-              ImGui::EndDisabled();
-              if (minVersion>vgmExportVersion) {
-                if (ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenDisabled)) {
-                  ImGui::SetTooltip("this chip is only available in VGM %d.%.2x and higher!",minVersion>>8,minVersion&0xff);
+                  "pattern indexes are ordered as they appear in the song."
+                );
+              }
+              ImGui::Checkbox("direct stream mode",&vgmExportDirectStream);
+              if (ImGui::IsItemHovered()) {
+                ImGui::SetTooltip(
+                  "required for DualPCM and MSM6258 export.\n\n"
+                  "allows for volume/direction changes when playing samples,\n"
+                  "at the cost of a massive increase in file size."
+                );
+              }
+              ImGui::Text("chips to export:");
+              bool hasOneAtLeast=false;
+              for (int i=0; i<e->song.systemLen; i++) {
+                int minVersion=e->minVGMVersion(e->song.system[i]);
+                ImGui::BeginDisabled(minVersion>vgmExportVersion || minVersion==0);
+                ImGui::Checkbox(fmt::sprintf("%d. %s##_SYSV%d",i+1,getSystemName(e->song.system[i]),i).c_str(),&willExport[i]);
+                ImGui::EndDisabled();
+                if (minVersion>vgmExportVersion) {
+                  if (ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenDisabled)) {
+                    ImGui::SetTooltip("this chip is only available in VGM %d.%.2x and higher!",minVersion>>8,minVersion&0xff);
+                  }
+                } else if (minVersion==0) {
+                  if (ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenDisabled)) {
+                    ImGui::SetTooltip("this chip is not supported by the VGM format!");
+                  }
+                } else {
+                  if (willExport[i]) hasOneAtLeast=true;
                 }
-              } else if (minVersion==0) {
-                if (ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenDisabled)) {
-                  ImGui::SetTooltip("this chip is not supported by the VGM format!");
+              }
+              ImGui::Text("select the chip you wish to export, but only up to %d of each type.",(vgmExportVersion>=0x151)?2:1);
+              if (hasOneAtLeast) {
+                if (ImGui::Button("Export")) {
+                  openFileDialog(GUI_FILE_EXPORT_VGM);
+                  ImGui::CloseCurrentPopup();
                 }
               } else {
-                if (willExport[i]) hasOneAtLeast=true;
+                ImGui::Text("nothing to export");
               }
-            }
-            ImGui::Text("select the chip you wish to export, but only up to %d of each type.",(vgmExportVersion>=0x151)?2:1);
-            if (hasOneAtLeast) {
-              if (ImGui::Button("Export")) {
-                openFileDialog(GUI_FILE_EXPORT_VGM);
-                ImGui::CloseCurrentPopup();
-              }
-            } else {
-              ImGui::Text("nothing to export");
-            }
-        ImGui::EndTabItem();
-      }
-      int numZSMCompat=0;
-      for (int i=0; i<e->song.systemLen; i++) {
-        if ((e->song.system[i] == DIV_SYSTEM_VERA) || (e->song.system[i] == DIV_SYSTEM_YM2151)) numZSMCompat++;
-      }
-      if (numZSMCompat > 0) {
-        if (ImGui::BeginTabItem("ZSM")) {
-          ImGui::Text("Commander X16 Zsound Music File");
-          if (ImGui::InputInt("Tick Rate (Hz)",&zsmExportTickRate,1,2)) {
-            if (zsmExportTickRate<1) zsmExportTickRate=1;
-            if (zsmExportTickRate>44100) zsmExportTickRate=44100;
-          }
-          ImGui::Checkbox("loop",&zsmExportLoop);
-          ImGui::SameLine();
-          ImGui::Checkbox("optimize size",&zsmExportOptimize);
-          if (ImGui::Button("Export")) {
-            openFileDialog(GUI_FILE_EXPORT_ZSM);
-            ImGui::CloseCurrentPopup();
-          }
           ImGui::EndTabItem();
         }
-      }
-      int numAmiga=0;
-      for (int i=0; i<e->song.systemLen; i++) {
-        if (e->song.system[i]==DIV_SYSTEM_AMIGA) numAmiga++;
-      }
-      if (numAmiga && settings.iCannotWait) {
-        if (ImGui::BeginTabItem("Amiga Validation")) {
+        int numZSMCompat=0;
+        for (int i=0; i<e->song.systemLen; i++) {
+          if ((e->song.system[i] == DIV_SYSTEM_VERA) || (e->song.system[i] == DIV_SYSTEM_YM2151)) numZSMCompat++;
+        }
+        if (numZSMCompat > 0) {
+          if (ImGui::BeginTabItem("ZSM")) {
+            ImGui::Text("Commander X16 Zsound Music File");
+            if (ImGui::InputInt("Tick Rate (Hz)",&zsmExportTickRate,1,2)) {
+              if (zsmExportTickRate<1) zsmExportTickRate=1;
+              if (zsmExportTickRate>44100) zsmExportTickRate=44100;
+            }
+            ImGui::Checkbox("loop",&zsmExportLoop);
+            ImGui::SameLine();
+            ImGui::Checkbox("optimize size",&zsmExportOptimize);
+            if (ImGui::Button("Export")) {
+              openFileDialog(GUI_FILE_EXPORT_ZSM);
+              ImGui::CloseCurrentPopup();
+            }
+            ImGui::EndTabItem();
+          }
+        }
+        int numAmiga=0;
+        for (int i=0; i<e->song.systemLen; i++) {
+          if (e->song.system[i]==DIV_SYSTEM_AMIGA) numAmiga++;
+        }
+        if (numAmiga && settings.iCannotWait) {
+          if (ImGui::BeginTabItem("Amiga Validation")) {
+            ImGui::Text(
+              "this is NOT ROM export! only use for making sure the\n"
+              "Furnace Amiga emulator is working properly by\n"
+              "comparing it with real Amiga output."
+            );
+            ImGui::AlignTextToFramePadding();
+            ImGui::Text("Directory");
+            ImGui::SameLine();
+            ImGui::InputText("##AVDPath",&workingDirROMExport);
+            if (ImGui::Button("Bake Data")) {
+              std::vector<DivROMExportOutput> out=e->buildROM(DIV_ROM_AMIGA_VALIDATION);
+              if (workingDirROMExport.size()>0) {
+                if (workingDirROMExport[workingDirROMExport.size()-1]!=DIR_SEPARATOR) workingDirROMExport+=DIR_SEPARATOR_STR;
+              }
+              for (DivROMExportOutput& i: out) {
+                String path=workingDirROMExport+i.name;
+                FILE* outFile=ps_fopen(path.c_str(),"wb");
+                if (outFile!=NULL) {
+                  fwrite(i.data->getFinalBuf(),1,i.data->size(),outFile);
+                  fclose(outFile);
+                }
+                i.data->finish();
+                delete i.data;
+              }
+              showError(fmt::sprintf("Done! Baked %d files.",(int)out.size()));
+              ImGui::CloseCurrentPopup();
+            }
+            ImGui::EndTabItem();
+          }
+        }
+        if (ImGui::BeginTabItem("Text")) {
           ImGui::Text(
-            "this is NOT ROM export! only use for making sure the\n"
-            "Furnace Amiga emulator is working properly by\n"
-            "comparing it with real Amiga output."
+            "this option exports the song to a text file.\n"
           );
-          ImGui::AlignTextToFramePadding();
-          ImGui::Text("Directory");
-          ImGui::SameLine();
-          ImGui::InputText("##AVDPath",&workingDirROMExport);
-          if (ImGui::Button("Bake Data")) {
-            std::vector<DivROMExportOutput> out=e->buildROM(DIV_ROM_AMIGA_VALIDATION);
-            if (workingDirROMExport.size()>0) {
-              if (workingDirROMExport[workingDirROMExport.size()-1]!=DIR_SEPARATOR) workingDirROMExport+=DIR_SEPARATOR_STR;
-            }
-            for (DivROMExportOutput& i: out) {
-              String path=workingDirROMExport+i.name;
-              FILE* outFile=ps_fopen(path.c_str(),"wb");
-              if (outFile!=NULL) {
-                fwrite(i.data->getFinalBuf(),1,i.data->size(),outFile);
-                fclose(outFile);
-              }
-              i.data->finish();
-              delete i.data;
-            }
-            showError(fmt::sprintf("Done! Baked %d files.",(int)out.size()));
+          if (ImGui::Button("Export")) {
+            openFileDialog(GUI_FILE_EXPORT_TEXT);
             ImGui::CloseCurrentPopup();
           }
           ImGui::EndTabItem();
         }
-      }
-      if (ImGui::BeginTabItem("Text")) {
-        ImGui::Text(
-          "this option exports the song to a text file.\n"
-        );
-        if (ImGui::Button("Export")) {
-          openFileDialog(GUI_FILE_EXPORT_TEXT);
-          ImGui::CloseCurrentPopup();
-        }
-        ImGui::EndTabItem();
-      }
-      if (ImGui::BeginTabItem("Command Stream")) {
-        ImGui::Text(
-          "this option exports a text or binary file which\n"
-          "contains a dump of the internal command stream\n"
-          "produced when playing the song.\n\n"
+        if (ImGui::BeginTabItem("Command Stream")) {
+          ImGui::Text(
+            "this option exports a text or binary file which\n"
+            "contains a dump of the internal command stream\n"
+            "produced when playing the song.\n\n"
 
-          "technical/development use only!"
-        );
-        if (ImGui::Button("Export (binary)")) {
-          openFileDialog(GUI_FILE_EXPORT_CMDSTREAM_BINARY);
-          ImGui::CloseCurrentPopup();
+            "technical/development use only!"
+          );
+          if (ImGui::Button("Export (binary)")) {
+            openFileDialog(GUI_FILE_EXPORT_CMDSTREAM_BINARY);
+            ImGui::CloseCurrentPopup();
+          }
+          if (ImGui::Button("Export (text)")) {
+            openFileDialog(GUI_FILE_EXPORT_CMDSTREAM);
+            ImGui::CloseCurrentPopup();
+          }
+          ImGui::EndTabItem();
         }
-        if (ImGui::Button("Export (text)")) {
-          openFileDialog(GUI_FILE_EXPORT_CMDSTREAM);
-          ImGui::CloseCurrentPopup();
-        }
-        ImGui::EndTabItem();
-      }
-    ImGui::EndTabBar();
+      ImGui::EndTabBar();
+    }
+    ImGui::EndChild();
   }
   ImGui::Separator();
   if (ImGui::Button("Cancel")) ImGui::CloseCurrentPopup();