diff --git a/handle_imported_video.py b/handle_imported_video.py
index 2365b01..8d857d7 100644
--- a/handle_imported_video.py
+++ b/handle_imported_video.py
@@ -51,7 +51,8 @@ if os.path.exists(_FULL_PATH):
         _FULL_PATH = _FULL_PATH + "/100GOPRO"
     for filename in os.listdir(_FULL_PATH):
         if filename.endswith(".MP4"):
-            part = "GH" + filename[2:4]
+            prefix = filename[0:2]
+            part = prefix + filename[2:4]
             seq = filename[4:8]
             if not seq in video_seq:
                 video_seq[seq] = []