diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c
index 4e10c4023028181f9700143ab29738b8e0a10a84..7309988c9794c82f195572afd2b63658a4431cb4 100644
--- a/arch/tile/mm/init.c
+++ b/arch/tile/mm/init.c
@@ -836,8 +836,7 @@ void __init mem_init(void)
 #endif
 
 #ifdef CONFIG_FLATMEM
-	if (!mem_map)
-		BUG();
+	BUG_ON(!mem_map);
 #endif
 
 #ifdef CONFIG_HIGHMEM