diff --git a/src/drivers/Qt/sdl-video.cpp b/src/drivers/Qt/sdl-video.cpp
index d8b72a0d..2989c3d3 100644
--- a/src/drivers/Qt/sdl-video.cpp
+++ b/src/drivers/Qt/sdl-video.cpp
@@ -168,7 +168,7 @@ void CalcVideoDimensions(void)
 	int iScale = nes_shm->video.xscale;
 	if ( s_sponge == 3 )
 	{
-		nes_shm->video.ncol = iScale*301;
+		nes_shm->video.ncol = iScale*(301-(ClipSidesOffset ? 21 : 0));
 	}
 	else
 	{
@@ -264,7 +264,7 @@ int InitVideo(FCEUGI *gi)
 	int iScale = nes_shm->video.xscale;
 	if ( s_sponge == 3 )
 	{
-		nes_shm->video.ncol = iScale*301;
+		nes_shm->video.ncol = iScale*(301-(ClipSidesOffset ? 21 : 0));
 	}
 	else
 	{
@@ -446,7 +446,7 @@ doBlitScreen(uint8_t *XBuf, uint8_t *dest)
 
 	if ( s_sponge == 3 )
 	{
-		w = ixScale*301;
+		w = ixScale*(301-(ClipSidesOffset ? 21 : 0));
 		bw = 256;
 	}
 	else
@@ -539,7 +539,7 @@ uint32 PtoV(double nx, double ny)
 
 	if ( nes_shm->video.preScaler == 3 )
 	{
-		x = (int)( nx * (double)nes_shm->video.ncol * (256.0/301.0) );
+		x = (int)( nx * (double)nes_shm->video.ncol * (256.0/(301.0-(ClipSidesOffset ? 21 : 0))) );
 	}
 	else
 	{
diff --git a/src/drivers/common/vidblit.cpp b/src/drivers/common/vidblit.cpp
index 6fcdac4e..eca0f782 100644
--- a/src/drivers/common/vidblit.cpp
+++ b/src/drivers/common/vidblit.cpp
@@ -29,6 +29,7 @@
 #include "../../palette.h"
 #include "../../utils/memory.h"
 #include "nes_ntsc.h"
+#include "video.h"
 
 extern u8 *XBuf;
 extern u8 *XBackBuf;
@@ -858,10 +859,9 @@ void Blit8ToHigh(uint8 *src, uint8 *dest, int xr, int yr, int pitch, int xscale,
 			{
 			case 4:
 				if ( nes_ntsc && GameInfo && GameInfo->type!=GIT_NSF) {
-					int outxr = 301;
+					int outxr = 301 - (ClipSidesOffset ? 21 : 0);
 					//if(xr == 282) outxr = 282; //hack for windows
 					burst_phase ^= 1;
-
 					u8* srcD = XDBuf + (src-XBuf); // get deemphasis buffer
 					nes_ntsc_blit( nes_ntsc, (unsigned char*)src, (unsigned char*)srcD, xr, burst_phase, xr, yr, ntscblit, (2*outxr) * Bpp );