diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 70f932d4b69d..ac5f8c404268 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -9038,7 +9038,7 @@ again:
 	 * we can't set the delalloc bits if there are pending ordered
 	 * extents.  Drop our locks and wait for them to finish
 	 */
-	ordered = btrfs_lookup_ordered_range(inode, page_start, page_end);
+	ordered = btrfs_lookup_ordered_range(inode, page_start, PAGE_SIZE);
 	if (ordered) {
 		unlock_extent_cached(io_tree, page_start, page_end,
 				     &cached_state, GFP_NOFS);