diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 9ec5e22846e0f302e7e1b1d174d9ead17e619ee3..0e306c5a86d6ee90debc824aa5d18e8f6d078f4d 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -153,7 +153,7 @@ struct elevator_type
 #endif
 
 	/* managed by elevator core */
-	char icq_cache_name[ELV_NAME_MAX + 5];	/* elvname + "_io_cq" */
+	char icq_cache_name[ELV_NAME_MAX + 6];	/* elvname + "_io_cq" */
 	struct list_head list;
 };