diff --git a/app/main.py b/app/main.py
index 7391625..0184262 100644
--- a/app/main.py
+++ b/app/main.py
@@ -2708,7 +2708,7 @@ async def broker_get_matrix_mxid(request: Request):
     return {"matrix_mxid": get_member_matrix_mxid(email), "local_mxid": local_mxid_for_email(email)}
 
 
-async def local_mxid_for_email(email: str) -> str:
+def local_mxid_for_email(email: str) -> str:
     """Resolve a member's local Matrix ID (@username:inference.coop), or '' if unknown."""
     import urllib.request
     try: