--- src/movie/vp31/FrameIni.c.ORG	2002-07-15 03:43:33.000000000 +0200
+++ src/movie/vp31/FrameIni.c	2005-03-09 11:14:43.484908045 +0100
@@ -275,7 +275,9 @@
  *  ERRORS        :     None.
  *
  ****************************************************************************/
-#define ROUNDUP32(X) ( ( ( (unsigned long) X ) + 31 )&( 0xFFFFFFE0 ) )
+
+// This will also work on LP64 architectures
+#define ROUNDUP32(X) ( ( ( (unsigned long) X ) + 31L )&( (unsigned long) -32 ) )
 BOOL AllocateFragmentInfo(PB_INSTANCE * pbi)
 {