diff --git a/src/common/transfer.h b/src/common/transfer.h
index 14612e7c..f80126da 100644
--- a/src/common/transfer.h
+++ b/src/common/transfer.h
@@ -97,6 +97,7 @@ protected:
         uv_loop_t *loop;
         uv_fs_t fsOpenReq;
         uv_fs_t fsCloseReq;
+        uv_fs_t fsSyncReq;
         uv_fs_cb cb;
         vector<string> taskQueue;  // save file list if directory send mode
         TransferConfig transferConfig;  // Used for network IO configuration initialization