1 files changed, 1 insertions, 1 deletions

diff --git a/src/mailman/rules/administrivia.py b/src/mailman/rules/administrivia.py
index 3052dcb46..be63b93c8 100644
--- a/src/mailman/rules/administrivia.py
+++ b/src/mailman/rules/administrivia.py
@@ -74,7 +74,7 @@ class Administrivia:
         # Search only the first text/plain subpart of the message.  There's
         # really no good way to find email commands in any other content type.
         for part in typed_subpart_iterator(msg, 'text', 'plain'):
-            payload = part.get_payload(decode=True)
+            payload = part.get_payload()
             lines = payload.splitlines()
             # Count lines without using enumerate() because blank lines in the
             # payload don't count against the maximum examined.