1 files changed, 1 insertions, 0 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index b7916de909..05dd8d2671 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -2280,6 +2280,7 @@ class FederationHandler(BaseHandler):
 
         return EventContext.with_state(
             state_group=state_group,
+            state_group_before_event=context.state_group_before_event,
             current_state_ids=current_state_ids,
             prev_state_ids=prev_state_ids,
             prev_group=prev_group,