diff --git a/plugins/VersionUpgrade/VersionUpgrade21to22/Profile.py b/plugins/VersionUpgrade/VersionUpgrade21to22/Profile.py
index d9e00bf85d..fe0a48f6d0 100644
--- a/plugins/VersionUpgrade/VersionUpgrade21to22/Profile.py
+++ b/plugins/VersionUpgrade/VersionUpgrade21to22/Profile.py
@@ -72,7 +72,7 @@ class Profile:
     #
     #   \return A serialised form of this profile, serialised in version 2 of
     #   the file format.
-    def exportVersion2():
+    def exportVersion2(self):
         config = configparser.ConfigParser(interpolation = None)
 
         config.add_section("general")