1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/storage/util/sequence.py b/synapse/storage/util/sequence.py
index b6fe136fb7..c780ade077 100644
--- a/synapse/storage/util/sequence.py
+++ b/synapse/storage/util/sequence.py
@@ -180,7 +180,7 @@ class PostgresSequenceGenerator(SequenceGenerator):
         if max_in_stream_positions and max_in_stream_positions > last_value:
             raise IncorrectDatabaseSetup(
                 _INCONSISTENT_STREAM_ERROR
-                % {"seq": self._sequence_name, "stream": stream_name}
+                % {"seq": self._sequence_name, "stream_name": stream_name}
             )