diff --git a/pims/pyav_reader.py b/pims/pyav_reader.py
index 2c670bc..9276248 100644
--- a/pims/pyav_reader.py
+++ b/pims/pyav_reader.py
@@ -226,7 +226,7 @@ def seek(self, i):
         # the ffmpeg decode cache is flushed automatically
 
         timestamp = int(i / (self._frame_rate * self._stream.time_base))
-        self._stream.container.seek(timestamp + self._first_pts)
+        self._stream.container.seek(timestamp + self._first_pts, stream=self._stream)
 
         # check the first frame
         try: