diff --git a/src/gui/sysConf.cpp b/src/gui/sysConf.cpp
index b286550ee..0594a9a34 100644
--- a/src/gui/sysConf.cpp
+++ b/src/gui/sysConf.cpp
@@ -754,42 +754,50 @@ bool FurnaceGUI::drawSysConf(int chan, int sysPos, DivSystem type, DivConfig& fl
         clockSel=0;
         altered=true;
       }
-      if (ImGui::RadioButton("1.77MHz (ZX Spectrum)",clockSel==1)) {
+      if (ImGui::RadioButton("1.77MHz (ZX Spectrum PAL)",clockSel==1)) {
         clockSel=1;
         altered=true;
       }
-      if (ImGui::RadioButton("1.75MHz (ZX Spectrum)",clockSel==2)) {
-        clockSel=2;
-        altered=true;
-      }
-      if (ImGui::RadioButton("2MHz (Atari ST/Sharp X1)",clockSel==3)) {
-        clockSel=3;
-        altered=true;
-      }
-      if (ImGui::RadioButton("1.5MHz (Vectrex)",clockSel==4)) {
-        clockSel=4;
-        altered=true;
-      }
-      if (ImGui::RadioButton("1MHz (Amstrad CPC)",clockSel==5)) {
-        clockSel=5;
-        altered=true;
-      }
-      if (ImGui::RadioButton("0.89MHz (Pre-divided Sunsoft 5B)",clockSel==6)) {
-        clockSel=6;
-        altered=true;
-      }
-      if (ImGui::RadioButton("1.67MHz (?)",clockSel==7)) {
-        clockSel=7;
-        altered=true;
-      }
       if (ImGui::RadioButton("0.83MHz (Pre-divided Sunsoft 5B on PAL)",clockSel==8)) {
         clockSel=8;
         altered=true;
       }
+      if (ImGui::RadioButton("0.89MHz (Pre-divided Sunsoft 5B)",clockSel==6)) {
+        clockSel=6;
+        altered=true;
+      }
+      if (ImGui::RadioButton("1MHz (Amstrad CPC)",clockSel==5)) {
+        clockSel=5;
+        altered=true;
+      }
       if (ImGui::RadioButton("1.10MHz (Gamate/VIC-20 PAL)",clockSel==9)) {
         clockSel=9;
         altered=true;
       }
+      if (ImGui::RadioButton("1.25MHz (Mag Max)",clockSel==13)) {
+        clockSel=13;
+        altered=true;
+      }
+      if (ImGui::RadioButton("1.5MHz (Vectrex)",clockSel==4)) {
+        clockSel=4;
+        altered=true;
+      }
+      if (ImGui::RadioButton("1.536MHz (Kyugo)",clockSel==14)) {
+        clockSel=14;
+        altered=true;
+      }
+      if (ImGui::RadioButton("1.67MHz (?)",clockSel==7)) {
+        clockSel=7;
+        altered=true;
+      }
+      if (ImGui::RadioButton("1.75MHz (ZX Spectrum 48K)",clockSel==2)) {
+        clockSel=2;
+        altered=true;
+      }
+      if (ImGui::RadioButton("2MHz (Atari ST/Sharp X1)",clockSel==3)) {
+        clockSel=3;
+        altered=true;
+      }
       if (ImGui::RadioButton("2^21Hz (Game Boy)",clockSel==10)) {
         clockSel=10;
         altered=true;
@@ -802,14 +810,6 @@ bool FurnaceGUI::drawSysConf(int chan, int sysPos, DivSystem type, DivConfig& fl
         clockSel=12;
         altered=true;
       }
-      if (ImGui::RadioButton("1.25MHz (Mag Max)",clockSel==13)) {
-        clockSel=13;
-        altered=true;
-      }
-      if (ImGui::RadioButton("1.536MHz (Kyugo)",clockSel==14)) {
-        clockSel=14;
-        altered=true;
-      }
       ImGui::Unindent();
       if (type==DIV_SYSTEM_AY8910) {
         ImGui::Text("Chip type:");
@@ -1468,36 +1468,40 @@ bool FurnaceGUI::drawSysConf(int chan, int sysPos, DivSystem type, DivConfig& fl
 
       ImGui::Text("Clock rate:");
       ImGui::Indent();
+      if (ImGui::RadioButton("0.875MHz",clockSel==10)) {
+        clockSel=10;
+        altered=true;
+      }
+      if (ImGui::RadioButton("0.89MHz",clockSel==7)) {
+        clockSel=7;
+        altered=true;
+      }
+      if (ImGui::RadioButton("0.9375MHz",clockSel==11)) {
+        clockSel=11;
+        altered=true;
+      }
       if (ImGui::RadioButton("1MHz",clockSel==0)) {
         clockSel=0;
         altered=true;
       }
-      if (ImGui::RadioButton("1.056MHz",clockSel==1)) {
-        clockSel=1;
-        altered=true;
-      }
-      if (ImGui::RadioButton("4MHz",clockSel==2)) {
-        clockSel=2;
-        altered=true;
-      }
-      if (ImGui::RadioButton("4.224MHz",clockSel==3)) {
-        clockSel=3;
-        altered=true;
-      }
-      if (ImGui::RadioButton("3.58MHz",clockSel==4)) {
-        clockSel=4;
-        altered=true;
-      }
-      if (ImGui::RadioButton("1.79MHz",clockSel==5)) {
-        clockSel=5;
-        altered=true;
-      }
       if (ImGui::RadioButton("1.02MHz",clockSel==6)) {
         clockSel=6;
         altered=true;
       }
-      if (ImGui::RadioButton("0.89MHz",clockSel==7)) {
-        clockSel=7;
+      if (ImGui::RadioButton("1.056MHz",clockSel==1)) {
+        clockSel=1;
+        altered=true;
+      }
+      if (ImGui::RadioButton("1.193MHz (Atari)",clockSel==14)) {
+        clockSel=14;
+        altered=true;
+      }
+      if (ImGui::RadioButton("1.5MHz",clockSel==12)) {
+        clockSel=12;
+        altered=true;
+      }
+      if (ImGui::RadioButton("1.79MHz",clockSel==5)) {
+        clockSel=5;
         altered=true;
       }
       if (ImGui::RadioButton("2MHz",clockSel==8)) {
@@ -1508,24 +1512,20 @@ bool FurnaceGUI::drawSysConf(int chan, int sysPos, DivSystem type, DivConfig& fl
         clockSel=9;
         altered=true;
       }
-      if (ImGui::RadioButton("0.875MHz",clockSel==10)) {
-        clockSel=10;
-        altered=true;
-      }
-      if (ImGui::RadioButton("0.9375MHz",clockSel==11)) {
-        clockSel=11;
-        altered=true;
-      }
-      if (ImGui::RadioButton("1.5MHz",clockSel==12)) {
-        clockSel=12;
-        altered=true;
-      }
       if (ImGui::RadioButton("3MHz",clockSel==13)) {
         clockSel=13;
         altered=true;
       }
-      if (ImGui::RadioButton("1.193MHz (Atari)",clockSel==14)) {
-        clockSel=14;
+      if (ImGui::RadioButton("3.58MHz",clockSel==4)) {
+        clockSel=4;
+        altered=true;
+      }
+      if (ImGui::RadioButton("4MHz",clockSel==2)) {
+        clockSel=2;
+        altered=true;
+      }
+      if (ImGui::RadioButton("4.224MHz",clockSel==3)) {
+        clockSel=3;
         altered=true;
       }
       ImGui::Unindent();