Index: reactos/win32ss/gdi/dib/dib24bpp.c
===================================================================
--- reactos/win32ss/gdi/dib/dib24bpp.c	(revision 75147)
+++ reactos/win32ss/gdi/dib/dib24bpp.c	(working copy)
@@ -409,6 +409,8 @@
   LONG SrcHeight;
   LONG SrcWidth;
 
+  iTransColor &= 0x00FFFFFF;
+
   DstHeight = DestRect->bottom - DestRect->top;
   DstWidth = DestRect->right - DestRect->left;
   SrcHeight = SourceRect->bottom - SourceRect->top;
@@ -429,7 +431,7 @@
           SourceSurf->sizlBitmap.cx > SourceX && SourceSurf->sizlBitmap.cy > SourceY)
       {
         Source = DIB_GetSourceIndex(SourceSurf, SourceX, SourceY);
-        if(Source != iTransColor)
+        if((Source & 0x00FFFFFF) != iTransColor)
         {
           Dest = XLATEOBJ_iXlate(ColorTranslation, Source) & 0xFFFFFF;
            *(PUSHORT)(DestBits) = Dest & 0xFFFF;
Index: reactos/win32ss/gdi/dib/dib32bpp.c
===================================================================
--- reactos/win32ss/gdi/dib/dib32bpp.c	(revision 75147)
+++ reactos/win32ss/gdi/dib/dib32bpp.c	(working copy)
@@ -292,6 +292,8 @@
   LONG SrcHeight;
   LONG SrcWidth;
 
+  iTransColor &= 0x00FFFFFF;
+
   DstHeight = DestRect->bottom - DestRect->top;
   DstWidth = DestRect->right - DestRect->left;
   SrcHeight = SourceRect->bottom - SourceRect->top;
@@ -312,7 +314,7 @@
         SourceSurf->sizlBitmap.cx > SourceX && SourceSurf->sizlBitmap.cy > SourceY)
       {
         Source = DIB_GetSourceIndex(SourceSurf, SourceX, SourceY);
-        if (Source != iTransColor)
+        if ((Source & 0x00FFFFFF) != iTransColor)
         {
           *DestBits = XLATEOBJ_iXlate(ColorTranslation, Source);
         }