1 files changed, 2 insertions, 2 deletions
diff --git a/synapse/events/__init__.py b/synapse/events/__init__.py
index 91118a8d84..d475fe7ae5 100644
--- a/synapse/events/__init__.py
+++ b/synapse/events/__init__.py
@@ -462,7 +462,7 @@ class FrozenEvent(EventBase):
         # Signatures is a dict of dicts, and this is faster than doing a
         # copy.deepcopy
         signatures = {
-            name: {sig_id: sig for sig_id, sig in sigs.items()}
+            name: dict(sigs.items())
             for name, sigs in event_dict.pop("signatures", {}).items()
         }
 
@@ -510,7 +510,7 @@ class FrozenEventV2(EventBase):
         # Signatures is a dict of dicts, and this is faster than doing a
         # copy.deepcopy
         signatures = {
-            name: {sig_id: sig for sig_id, sig in sigs.items()}
+            name: dict(sigs.items())
             for name, sigs in event_dict.pop("signatures", {}).items()
         }