1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index a5d13ddc49..77ba7eb2af 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -1566,7 +1566,7 @@ class EventsStore(
             Deferred
         """
 
-        if not self.hs.config.redaction_retention_period:
+        if self.hs.config.redaction_retention_period is None:
             return
 
         max_pos = yield self.find_first_stream_ordering_after_ts(