1 files changed, 3 insertions, 2 deletions
diff --git a/synapse/http/server.py b/synapse/http/server.py
index 45b2cbffcd..211795dc39 100644
--- a/synapse/http/server.py
+++ b/synapse/http/server.py
@@ -909,8 +909,9 @@ def set_cors_headers(request: "SynapseRequest") -> None:
     request.setHeader(
         b"Access-Control-Allow-Methods", b"GET, HEAD, POST, PUT, DELETE, OPTIONS"
     )
-    if request.path is not None and request.path.startswith(
-        b"/_matrix/client/unstable/org.matrix.msc4108/rendezvous"
+    if request.path is not None and (
+        request.path == b"/_matrix/client/unstable/org.matrix.msc4108/rendezvous"
+        or request.path.startswith(b"/_synapse/client/rendezvous")
     ):
         request.setHeader(
             b"Access-Control-Allow-Headers",