diff --git a/src/gui/insEdit.cpp b/src/gui/insEdit.cpp
index e359fc2e..c0add60c 100644
--- a/src/gui/insEdit.cpp
+++ b/src/gui/insEdit.cpp
@@ -264,7 +264,7 @@ const char* mikeyFeedbackBits[11] = {
 };
 
 const char* msm5232ControlBits[7]={
-  "2'", "4'", "8'", "16'", "sustain", NULL
+  "16'", "8'", "4'", "2'", "sustain", NULL
 };
 
 const char* x1_010EnvBits[8]={
diff --git a/src/gui/sysConf.cpp b/src/gui/sysConf.cpp
index 2fab65c5..9ebe7ec0 100644
--- a/src/gui/sysConf.cpp
+++ b/src/gui/sysConf.cpp
@@ -1474,7 +1474,7 @@ bool FurnaceGUI::drawSysConf(int chan, DivSystem type, DivConfig& flags, bool mo
       
       ImGui::Text("Initial part volume (channel 1-4):");
       for (int i=0; i<4; i++) {
-        snprintf(temp,63,"%d'##GRPV%d",16>>i,i);
+        snprintf(temp,63,"%d'##GRPV%d",2<<i,i);
         if (CWSliderInt(temp,&groupVol[i],0,255)) {
           if (groupVol[i]<0) groupVol[i]=0;
           if (groupVol[i]>255) groupVol[i]=255;
@@ -1484,7 +1484,7 @@ bool FurnaceGUI::drawSysConf(int chan, DivSystem type, DivConfig& flags, bool mo
 
       ImGui::Text("Initial part volume (channel 5-8):");
       for (int i=4; i<8; i++) {
-        snprintf(temp,63,"%d'##GRPV%d",16>>(i-4),i);
+        snprintf(temp,63,"%d'##GRPV%d",2<<(i-4),i);
         if (CWSliderInt(temp,&groupVol[i],0,255)) {
           if (groupVol[i]<0) groupVol[i]=0;
           if (groupVol[i]>255) groupVol[i]=255;