1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/federation/transport/client.py b/synapse/federation/transport/client.py
index 0cdb31178f..e424c40fdf 100644
--- a/synapse/federation/transport/client.py
+++ b/synapse/federation/transport/client.py
@@ -173,7 +173,7 @@ class TransportLayerClient(object):
         # generated by the json_data_callback.
         json_data = transaction.get_dict()
 
-        path = _create_v1_path("/send/%s/", transaction.transaction_id)
+        path = _create_v1_path("/send/%s", transaction.transaction_id)
 
         response = yield self.client.put_json(
             transaction.destination,