diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 2bb1ddc5c30b33a3c7d64462abfc6ff80dd9fd5f..e2d8be8f28bfb8555644bef5100b2f9b8c2cbe9a 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -581,7 +581,7 @@ static int __mb_check_buddy(struct ext4_buddy *e4b, char *file,
 				continue;
 			}
 
-			/* both bits in buddy2 must be 0 */
+			/* both bits in buddy2 must be 1 */
 			MB_CHECK_ASSERT(mb_test_bit(i << 1, buddy2));
 			MB_CHECK_ASSERT(mb_test_bit((i << 1) + 1, buddy2));