diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index edc057f5cdcc..2928ef228101 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -124,7 +124,7 @@ enum dm_raid1_error {
 struct mirror {
 	struct mirror_set *ms;
 	atomic_t error_count;
-	uint32_t error_type;
+	unsigned long error_type;
 	struct dm_dev *dev;
 	sector_t offset;
 };