diff --git a/AppleWin/source/Debug.cpp b/AppleWin/source/Debug.cpp
index b88d3dd2..fedc5a02 100644
--- a/AppleWin/source/Debug.cpp
+++ b/AppleWin/source/Debug.cpp
@@ -9210,7 +9210,7 @@ void DebuggerCursorUpdate()
 	if (g_nAppMode != MODE_DEBUG)
 		return;
 
-	const  nUpdatesPerSecond = 4;
+	const  int nUpdatesPerSecond = 4;
 	const  DWORD nHz = 1000 / nUpdatesPerSecond;
 	static DWORD nBeg = GetTickCount(); // timeGetTime();
 	       DWORD nNow = GetTickCount(); // timeGetTime();
diff --git a/AppleWin/source/Debugger_Display.cpp b/AppleWin/source/Debugger_Display.cpp
index 7ea3bd26..d2e7d6c9 100644
--- a/AppleWin/source/Debugger_Display.cpp
+++ b/AppleWin/source/Debugger_Display.cpp
@@ -2580,7 +2580,7 @@ void DrawZeroPagePointers ( int line )
 
 	DebuggerSetColorBG( DebuggerGetColor( WATCH_ZERO_BG )); // BG_INFO
 
-	const nMaxSymbolLen = 7;
+	const int nMaxSymbolLen = 7;
 	char sText[nMaxSymbolLen+1] = "";
 
 	for(int iZP = 0; iZP < MAX_ZEROPAGE_POINTERS; iZP++)
@@ -3132,7 +3132,7 @@ void DrawWindowBackground_Info( int g_iWindowThis )
 //===========================================================================
 void UpdateDisplay (Update_t bUpdate)
 {
-	static spDrawMutex = false;
+	static int spDrawMutex = false;
 	
 	if (spDrawMutex)
 	{