diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index f2305eb758a2..89fa7a68c6c4 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -32,7 +32,7 @@ struct flakey_c {
 	unsigned corrupt_bio_byte;
 	unsigned corrupt_bio_rw;
 	unsigned corrupt_bio_value;
-	unsigned corrupt_bio_flags;
+	blk_opf_t corrupt_bio_flags;
 };
 
 enum feature_flag_bits {
@@ -145,7 +145,11 @@ static int parse_features(struct dm_arg_set *as, struct flakey_c *fc,
 			/*
 			 * Only corrupt bios with these flags set.
 			 */
-			r = dm_read_arg(_args + 3, as, &fc->corrupt_bio_flags, &ti->error);
+			BUILD_BUG_ON(sizeof(fc->corrupt_bio_flags) !=
+				     sizeof(unsigned int));
+			r = dm_read_arg(_args + 3, as,
+				(__force unsigned *)&fc->corrupt_bio_flags,
+				&ti->error);
 			if (r)
 				return r;
 			argc--;