diff --git a/weed/command/filer_sync.go b/weed/command/filer_sync.go
index 292fb0956..9ad76e31b 100644
--- a/weed/command/filer_sync.go
+++ b/weed/command/filer_sync.go
@@ -394,7 +394,7 @@ func genProcessFunction(sourcePath string, targetPath string, excludePaths []str
 			glog.V(0).Infof("received %v", resp)
 		}
 
-		if isMultipartUploadDir(resp.Directory) {
+		if isMultipartUploadDir(resp.Directory + "/") {
 			return nil
 		}