diff --git a/src/engine/platform/powernoise.cpp b/src/engine/platform/powernoise.cpp
index a45cb9bf1..77e128ddd 100644
--- a/src/engine/platform/powernoise.cpp
+++ b/src/engine/platform/powernoise.cpp
@@ -206,6 +206,7 @@ void DivPlatformPowerNoise::tick(bool sysTick) {
 
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
       chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
+      chan[i].freq>>=chan[i].octaveOff;
 
       if (chan[i].freq<0) chan[i].freq=0;
       if (chan[i].freq>0x7ffffff) chan[i].freq=0x7ffffff;
@@ -268,6 +269,9 @@ int DivPlatformPowerNoise::dispatch(DivCommand c) {
         chan[c.chan].freqChanged=true;
         chan[c.chan].note=c.value;
       }
+      if (chan[c.chan].insChanged) {
+        chan[c.chan].octaveOff=ins->powernoise.octave;
+      }
       chan[c.chan].active=true;
       chan[c.chan].macroInit(ins);
       if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
diff --git a/src/engine/platform/powernoise.h b/src/engine/platform/powernoise.h
index d59153fa0..72f1562e9 100644
--- a/src/engine/platform/powernoise.h
+++ b/src/engine/platform/powernoise.h
@@ -46,7 +46,7 @@ class DivPlatformPowerNoise: public DivDispatch {
   struct Channel: public SharedChannel<signed char> {
     int fNum;
     unsigned short initLFSR;
-    unsigned char octave, pan, tapA, tapB;
+    unsigned char octave, pan, tapA, tapB, octaveOff;
     bool slope, am, tapBEnable, keyOn, keyOff;
     SlopePortion slopeA, slopeB;
     
@@ -58,6 +58,7 @@ class DivPlatformPowerNoise: public DivDispatch {
       pan(255),
       tapA(1),
       tapB(2),
+      octaveOff(0),
       slope(false),
       am(false),
       tapBEnable(false),
diff --git a/src/gui/insEdit.cpp b/src/gui/insEdit.cpp
index 44444d50b..6f334868d 100644
--- a/src/gui/insEdit.cpp
+++ b/src/gui/insEdit.cpp
@@ -7295,6 +7295,18 @@ void FurnaceGUI::drawInsEdit() {
           drawMacros(macroList,macroEditStateMacros);
           ImGui::EndTabItem();
         }
+        if (ins->type==DIV_INS_POWERNOISE) {
+          if (ImGui::BeginTabItem("PowerNoise")) {
+            int pnOctave=ins->powernoise.octave;
+            if (ImGui::InputInt("Octave offset",&pnOctave,1,4)) { PARAMETER
+              if (pnOctave<0) pnOctave=0;
+              if (pnOctave>15) pnOctave=15;
+              ins->powernoise.octave=pnOctave;
+            }
+            ImGui::Text("go to Macros for other parameters.");
+            ImGui::EndTabItem();
+          }
+        }
         if (ins->type==DIV_INS_NES ||
             ins->type==DIV_INS_AY ||
             ins->type==DIV_INS_AY8930 ||