1 files changed, 2 insertions, 3 deletions
diff --git a/synapse/storage/data_stores/main/registration.py b/synapse/storage/data_stores/main/registration.py
index 3e53c8568a..efcdd2100b 100644
--- a/synapse/storage/data_stores/main/registration.py
+++ b/synapse/storage/data_stores/main/registration.py
@@ -273,8 +273,7 @@ class RegistrationWorkerStore(SQLBaseStore):
             desc="delete_account_validity_for_user",
         )
 
-    @defer.inlineCallbacks
-    def is_server_admin(self, user):
+    async def is_server_admin(self, user):
         """Determines if a user is an admin of this homeserver.
 
         Args:
@@ -283,7 +282,7 @@ class RegistrationWorkerStore(SQLBaseStore):
         Returns (bool):
             true iff the user is a server admin, false otherwise.
         """
-        res = yield self.db.simple_select_one_onecol(
+        res = await self.db.simple_select_one_onecol(
             table="users",
             keyvalues={"name": user.to_string()},
             retcol="admin",