diff --git a/packages/auth/src/keycloak.js b/packages/auth/src/keycloak.js
index cb55e5631d63f1fbcec7ed71ae6ef2c4ba1fd155..866f4a16a2af0451a2e75f995d8abbe44298fb2b 100644
--- a/packages/auth/src/keycloak.js
+++ b/packages/auth/src/keycloak.js
@@ -146,7 +146,8 @@ export class KeycloakWrapper extends EventTarget {
 
         if (!this._keycloak.authenticated) {
             await this._keycloak.login({
-                kcLocale: language,
+                kcLocale: language,  // Keycloak < 9.0
+                locale: language,
             });
         }
     }