diff --git a/util/videoswap.py b/util/videoswap.py
index 4a6c8fe5..675acc0c 100644
--- a/util/videoswap.py
+++ b/util/videoswap.py
@@ -6,7 +6,8 @@
 LastEditTime: 2021-11-24 19:19:52
 Description: 
 '''
-import os 
+import os
+os.environ["IMAGEIO_FFMPEG_EXE"] = "/usr/bin/ffmpeg"
 import cv2
 import glob
 import torch