diff --git a/anki/importing/anki2.py b/anki/importing/anki2.py
index a2b03d363..d2a3a0ba8 100644
--- a/anki/importing/anki2.py
+++ b/anki/importing/anki2.py
@@ -333,7 +333,7 @@ insert or ignore into revlog values (?,?,?,?,?,?,?,?,?)""", revlog)
     def _mungeMedia(self, mid, fields):
         fields = splitFields(fields)
         def repl(match):
-            fname = match.group(2)
+            fname = match.group("fname")
             srcData = self._srcMediaData(fname)
             dstData = self._dstMediaData(fname)
             if not srcData: