1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/rest/admin/users.py b/synapse/rest/admin/users.py
index 331f225116..932333ae57 100644
--- a/synapse/rest/admin/users.py
+++ b/synapse/rest/admin/users.py
@@ -336,7 +336,7 @@ class UserRestServletV2(RestServlet):
                         HTTPStatus.CONFLICT, "External id is already in use."
                     )
 
-            if "avatar_url" in body and isinstance(body["avatar_url"], str):
+            if "avatar_url" in body:
                 await self.profile_handler.set_avatar_url(
                     target_user, requester, body["avatar_url"], True
                 )