diff --git a/src/gui/insEdit.cpp b/src/gui/insEdit.cpp
index 969714d70..7eec3a444 100644
--- a/src/gui/insEdit.cpp
+++ b/src/gui/insEdit.cpp
@@ -5548,7 +5548,6 @@ void FurnaceGUI::drawInsEdit() {
           }
           if (ins->type==DIV_INS_N163) {
             ex1Max=252;
-            ex2Max=2;
           }
           if (ins->type==DIV_INS_FDS) {
             ex1Max=63;
@@ -5733,8 +5732,8 @@ void FurnaceGUI::drawInsEdit() {
               macroList.push_back(FurnaceGUIMacroDesc("Envelope",&ins->std.ex1Macro,0,ex1Max,160,uiColors[GUI_COLOR_MACRO_OTHER],false,NULL,NULL,true,saaEnvBits));
             } else if (ins->type==DIV_INS_X1_010 && !ins->amiga.useSample) {
               macroList.push_back(FurnaceGUIMacroDesc("Envelope Mode",&ins->std.ex1Macro,0,ex1Max,160,uiColors[GUI_COLOR_MACRO_OTHER],false,NULL,NULL,true,x1_010EnvBits));
-            /*} else if (ins->type==DIV_INS_N163) {
-              macroList.push_back(FurnaceGUIMacroDesc("Wave Length",&ins->std.ex1Macro,0,ex1Max,160,uiColors[GUI_COLOR_MACRO_OTHER]));*/
+            } else if (ins->type==DIV_INS_N163) {
+              macroList.push_back(FurnaceGUIMacroDesc("Wave Length",&ins->std.ex1Macro,0,ex1Max,160,uiColors[GUI_COLOR_MACRO_OTHER]));
             } else if (ins->type==DIV_INS_FDS) {
               macroList.push_back(FurnaceGUIMacroDesc("Mod Depth",&ins->std.ex1Macro,0,ex1Max,160,uiColors[GUI_COLOR_MACRO_OTHER]));
             } else if (ins->type==DIV_INS_SU) {