diff --git a/sc2/src/sc2code/setup.c b/sc2/src/sc2code/setup.c
index 9f474e226..ec749adfa 100644
--- a/sc2/src/sc2code/setup.c
+++ b/sc2/src/sc2code/setup.c
@@ -105,7 +105,7 @@ LoadKernel (int argc, char *argv[])
 	SetContextFGFrame (Screen);
 	SetFrameHot (Screen, MAKE_HOT_SPOT (0, 0));
 
-	hResIndex = InitResourceSystem ();
+	hResIndex = (RESOURCE_INDEX) InitResourceSystem ();
 	if (hResIndex == 0)
 		return FALSE;