Index: include/allegro/inline/gfx.inl
===================================================================
--- include/allegro/inline/gfx.inl	(revision 7326)
+++ include/allegro/inline/gfx.inl	(working copy)
@@ -128,8 +128,8 @@
    if (bmp1 == bmp2)
       return TRUE;
 
-   m1 = bmp1->id & BMP_ID_MASK;
-   m2 = bmp2->id & BMP_ID_MASK;
+   m1 = bmp1->id & (BMP_ID_MASK | BMP_ID_VIDEO);
+   m2 = bmp2->id & (BMP_ID_MASK | BMP_ID_VIDEO);
 
    return ((m1) && (m1 == m2));
 })