diff --git a/quick_split_video.py b/quick_split_video.py
index ceb80c7..4746f18 100644
--- a/quick_split_video.py
+++ b/quick_split_video.py
@@ -35,7 +35,7 @@ if __name__ == '__main__':
     print(create_dt)
     _duration_str = get_video_real_duration(input_file)
     _duration = datetime.strptime(_duration_str, "%H:%M:%S.%f") - datetime(1900, 1, 1)
-    duration = _duration.seconds
+    duration = _duration.total_seconds()
     print(duration)
     current_sec = 0
     while current_sec < duration: