diff --git a/pandora/archive/cutdetection.py b/pandora/archive/cutdetection.py
index ff3c177d..7ee62167 100644
--- a/pandora/archive/cutdetection.py
+++ b/pandora/archive/cutdetection.py
@@ -26,7 +26,7 @@ def detect_cuts(path, seconds=True):
                 cuts.append([c + position for c in segment_cuts])
             else:
                 fps = AspectRatio(info['video'][0]['framerate'])
-                cuts.append([c + int(position*fps) for c in segment_cuts])
+                cuts += [c + int(position*fps) for c in segment_cuts]
             position += info['duration']
         return cuts