1 files changed, 2 insertions, 2 deletions
diff --git a/utils.c b/utils.c
index c6022fc0..accecefb 100644
--- a/utils.c
+++ b/utils.c
@@ -136,8 +136,8 @@ int make_btrfs(int fd, const char *device, const char *label,
 	btrfs_set_header_generation(buf, 1);
 	btrfs_set_header_backref_rev(buf, BTRFS_MIXED_BACKREF_REV);
 	btrfs_set_header_owner(buf, BTRFS_ROOT_TREE_OBJECTID);
-	write_extent_buffer(buf, super.fsid, (unsigned long)
-			    btrfs_header_fsid(), BTRFS_FSID_SIZE);
+	write_extent_buffer(buf, super.fsid, btrfs_header_fsid(),
+			    BTRFS_FSID_SIZE);
 
 	write_extent_buffer(buf, chunk_tree_uuid, (unsigned long)
 			    btrfs_header_chunk_tree_uuid(buf),