diff --git a/libvo/vo_x11.c b/libvo/vo_x11.c
index 547d59f46a..8a860b3ba8 100644
--- a/libvo/vo_x11.c
+++ b/libvo/vo_x11.c
@@ -485,7 +485,7 @@ static uint32_t draw_slice( uint8_t *src[],int stride[],int w,int h,int x,int y
 
 if(scale_xinc){
  SwScale_YV12slice_brg24(src,stride,y,h,
-                         ImageData, image_width*((bpp+7)/8), image_width, bpp,
+                         ImageData, image_width*((bpp+7)/8), image_width, ( depth == 24 ) ? bpp : depth,
 			 scale_xinc, scale_yinc);
 } else {
  uint8_t *dst=ImageData + ( image_width * y + x ) * ( bpp/8 );