diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index c6740e4..2df963f 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -490,10 +490,10 @@
 					struct ceph_options *opt)
 {
 	struct ceph_fs_client *fsc;
-	const unsigned supported_features =
+	const u64 supported_features =
 		CEPH_FEATURE_FLOCK |
 		CEPH_FEATURE_DIRLAYOUTHASH;
-	const unsigned required_features = 0;
+	const u64 required_features = 0;
 	int page_count;
 	size_t size;
 	int err = -ENOMEM;