diff --git a/zsnes/src/linux/sw_draw.c b/zsnes/src/linux/sw_draw.c
index 859cfb50..419a8afe 100644
--- a/zsnes/src/linux/sw_draw.c
+++ b/zsnes/src/linux/sw_draw.c
@@ -112,7 +112,7 @@ static DWORD ScreenPtr;
 static DWORD SurfBufD;
 static DWORD *SURFDW;
 static DWORD pitch;
-extern DWORD resolutn;
+extern BYTE resolutn;
 
 void sw_clearwin()
 {
diff --git a/zsnes/src/win/winlink.cpp b/zsnes/src/win/winlink.cpp
index d4851e4b..4dfd4549 100644
--- a/zsnes/src/win/winlink.cpp
+++ b/zsnes/src/win/winlink.cpp
@@ -1793,7 +1793,7 @@ extern int DSPBuffer;
 int * DSPBuffer1;
 DWORD ScreenPtr;
 DWORD ScreenPtr2;
-extern DWORD resolutn;
+extern BYTE resolutn;
 extern GUI36hzcall(void);
 extern Game60hzcall(void);
 extern int packettimeleft[256];