diff --git a/source/Frame.cpp b/source/Frame.cpp
index aa87f0f6..5b521d09 100644
--- a/source/Frame.cpp
+++ b/source/Frame.cpp
@@ -62,8 +62,8 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #define MAGICY 5	// 3D border between Apple window & Title bar
 
 static const int kDEFAULT_VIEWPORT_SCALE = 2;
-static int g_nViewportCX = FRAMEBUFFER_W * kDEFAULT_VIEWPORT_SCALE;
-static int g_nViewportCY = FRAMEBUFFER_H * kDEFAULT_VIEWPORT_SCALE;
+       int g_nViewportCX = FRAMEBUFFER_W * kDEFAULT_VIEWPORT_SCALE;
+       int g_nViewportCY = FRAMEBUFFER_H * kDEFAULT_VIEWPORT_SCALE;
 static int g_nViewportScale = kDEFAULT_VIEWPORT_SCALE; // saved REGSAVE
 static int g_nMaxViewportScale = kDEFAULT_VIEWPORT_SCALE;
 
diff --git a/source/Frame.h b/source/Frame.h
index 47af25a1..357177c7 100644
--- a/source/Frame.h
+++ b/source/Frame.h
@@ -30,9 +30,12 @@
 // Win32
 	extern HWND       g_hFrameWindow;
 	extern BOOL       g_bIsFullScreen;
+	extern int        g_nViewportCX;
+	extern int        g_nViewportCY;
 	extern BOOL       g_bConfirmReboot; // saved PageConfig REGSAVE
 	extern BOOL       g_bMultiMon;
 
+
 // Emulator
 	extern bool   g_bFreshReset;
 	extern std::string PathFilename[2];
diff --git a/source/Video.cpp b/source/Video.cpp
index 41f87868..ec0e3240 100644
--- a/source/Video.cpp
+++ b/source/Video.cpp
@@ -1263,10 +1263,10 @@ void VideoRefreshScreen ( int bVideoModeFlags )
 		StretchBlt(
 			hFrameDC,
 			0,0,
-			FRAMEBUFFER_W,FRAMEBUFFER_H,
+			g_nViewportCX,g_nViewportCY, //dst
 			g_hDeviceDC,
 			0,0,
-			FRAMEBUFFER_W,FRAMEBUFFER_H,
+			FRAMEBUFFER_W,FRAMEBUFFER_H, // src
 			SRCCOPY );
 		GdiFlush();
 	}