diff --git a/engine/common/bspfile.h b/engine/common/bspfile.h
index bf3f75e74..1677fd0c3 100644
--- a/engine/common/bspfile.h
+++ b/engine/common/bspfile.h
@@ -421,7 +421,7 @@ typedef struct q2miptex_s
 #define	MAX_Q2MAP_VERTS		MAX_MAP_VERTS
 #define	MAX_Q2MAP_FACES		MAX_MAP_FACES
 #define	SANITY_MAX_MAP_LEAFFACES	262144		//sanity only
-#define	MAX_Q2MAP_LEAFBRUSHES 65536		//used in an array
+#define	MAX_Q2MAP_LEAFBRUSHES (65536*2)		//used in an array
 //#define	MAX_Q2MAP_PORTALS		65536	//unused
 //#define	MAX_Q2MAP_EDGES		128000		//unused
 //#define	MAX_Q2MAP_SURFEDGES	256000		//unused