diff --git a/tools/quake3/q3map2/map.c b/tools/quake3/q3map2/map.c
index 0173d834..b9862c51 100644
--- a/tools/quake3/q3map2/map.c
+++ b/tools/quake3/q3map2/map.c
@@ -345,6 +345,9 @@ void SetBrushContents( brush_t *b )
 			continue;
 		if( s->contentFlags != contentFlags || s->compileFlags != compileFlags )
 			mixed = qtrue;
+
+		contentFlags |= s->contentFlags;
+		compileFlags |= s->compileFlags;
 	}
 	
 	/* ydnar: getting rid of this stupid warning */