1 files changed, 3 insertions, 0 deletions
diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py
index 16d740cf58..bed47f8abd 100644
--- a/synapse/federation/transport/server.py
+++ b/synapse/federation/transport/server.py
@@ -35,6 +35,7 @@ from synapse.http.servlet import (
     parse_string_from_args,
     parse_strings_from_args,
 )
+from synapse.logging import opentracing
 from synapse.logging.context import run_in_background
 from synapse.logging.opentracing import (
     SynapseTags,
@@ -345,6 +346,8 @@ class BaseFederationServlet:
                 )
 
             with scope:
+                opentracing.inject_response_headers(request.responseHeaders)
+
                 if origin and self.RATELIMIT:
                     with ratelimiter.ratelimit(origin) as d:
                         await d