diff --git a/pydub/audio_segment.py b/pydub/audio_segment.py
index 22278a0..375688e 100644
--- a/pydub/audio_segment.py
+++ b/pydub/audio_segment.py
@@ -840,6 +840,7 @@ def export(self, out_f=None, format='mp3', codec=None, bitrate=None, parameters=
 
         # for easy wav files, we're done (wav data is written directly to out_f)
         if easy_wav:
+            out_f.seek(0)
             return out_f
 
         output = NamedTemporaryFile(mode="w+b", delete=False)