diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 7d7dc1723180..d46d1945fbcc 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -30,7 +30,7 @@
 #define	MIN_RAID456_JOURNAL_SPACE (4*2048)
 
 /* Global list of all raid sets */
-LIST_HEAD(raid_sets);
+static LIST_HEAD(raid_sets);
 
 static bool devices_handle_discard_safely = false;