diff --git a/sc2/src/libs/graphics/sdl/sdl_common.c b/sc2/src/libs/graphics/sdl/sdl_common.c
index e1bd7b2b4..2257d9f72 100644
--- a/sc2/src/libs/graphics/sdl/sdl_common.c
+++ b/sc2/src/libs/graphics/sdl/sdl_common.c
@@ -529,5 +529,5 @@ int
 TFB_HasColorKey (SDL_Surface *surface)
 {
 	Uint32 key;
-	return TFB_GetColorKey (surface, &key) != 0;
+	return TFB_GetColorKey (surface, &key) == 0;
 }