diff --git a/authentik/providers/scim/clients/users.py b/authentik/providers/scim/clients/users.py
index 2334f26ec139..25998086827a 100644
--- a/authentik/providers/scim/clients/users.py
+++ b/authentik/providers/scim/clients/users.py
@@ -72,7 +72,8 @@ def create(self, user: User):
                 if not self._config.filter.supported:
                     raise exc
                 users = self._request(
-                    "GET", f"/Users?{urlencode({'filter': f'userName eq {scim_user.userName}'})}"
+                    "GET",
+                    f"/Users?{urlencode({'filter': f'userName eq \"{scim_user.userName}\"'})}",
                 )
                 users_res = users.get("Resources", [])
                 if len(users_res) < 1: