$NetBSD$

--- programs/Xserver/fb/fbcopy.c.orig	2005-11-04 21:37:32.000000000 +0000
+++ programs/Xserver/fb/fbcopy.c
@@ -625,7 +625,9 @@ fbCopyArea (DrawablePtr	pSrcDrawable,
     fbCopyProc	copy;
 
 #ifdef FB_24_32BIT
-    if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel)
+    if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel && 
+	pDstDrawable->bitsPerPixel >= 24 &&
+	pSrcDrawable->bitsPerPixel >= 24)
 	copy = fb24_32CopyMtoN;
     else
 #endif