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-rw-r--r--Mailman/versions.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Mailman/versions.py b/Mailman/versions.py
index 37fab0771..14ed9fe19 100644
--- a/Mailman/versions.py
+++ b/Mailman/versions.py
@@ -328,7 +328,7 @@ def CanonicalizeUserOptions(l):
flags = 0
if options.has_key(lcuser):
flags = options[lcuser]
- flags = flags | v
+ flags |= v
options[lcuser] = flags
l.user_options = options
# 2.1alpha3 -> 2.1alpha4. The DisableDelivery flag is now moved into