diff --git a/picard/mbxml.py b/picard/mbxml.py
index 95134e6ac..5148c85e1 100644
--- a/picard/mbxml.py
+++ b/picard/mbxml.py
@@ -231,7 +231,7 @@ def track_to_metadata(node, track):
         elif name == 'position':
             m['tracknumber'] = nodes[0].text
         elif name == 'number':
-            m['~~musicbrainz_tracknumber'] = nodes[0].text
+            m['~musicbrainz_tracknumber'] = nodes[0].text
         elif name == 'length' and nodes[0].text:
             m.length = int(nodes[0].text)
         elif name == 'artist_credit':