diff --git a/weed/mount/weedfs_file_copy_range.go b/weed/mount/weedfs_file_copy_range.go
index 50a2d5a95..43ec289ab 100644
--- a/weed/mount/weedfs_file_copy_range.go
+++ b/weed/mount/weedfs_file_copy_range.go
@@ -53,7 +53,7 @@ func (wfs *WFS) CopyFileRange(cancel <-chan struct{}, in *fuse.CopyFileRangeIn)
 	}
 
 	if fhIn.fh != fhOut.fh {
-		fhInActiveLock := fhIn.wfs.fhLockTable.AcquireLock("CopyFileRange", fhIn.fh, util.ExclusiveLock)
+		fhInActiveLock := fhIn.wfs.fhLockTable.AcquireLock("CopyFileRange", fhIn.fh, util.SharedLock)
 		defer fhIn.wfs.fhLockTable.ReleaseLock(fhIn.fh, fhInActiveLock)
 	}