diff --git a/src/main/java/de/szut/lf8_starter/security/KeycloakSecurityConfig.java b/src/main/java/de/szut/lf8_starter/security/KeycloakSecurityConfig.java
index 8ab3fd8..c37b0bf 100644
--- a/src/main/java/de/szut/lf8_starter/security/KeycloakSecurityConfig.java
+++ b/src/main/java/de/szut/lf8_starter/security/KeycloakSecurityConfig.java
@@ -83,7 +83,7 @@ class KeycloakSecurityConfig {
         jwtAuthenticationConverter.setJwtGrantedAuthoritiesConverter(jwt -> {
             List<GrantedAuthority> grantedAuthorities = new ArrayList<>();
 
-            Map<String, Object> realmAccess = jwt.getClaim("realm_access");
+            Map<String, Object> realmAccess = jwt.getClaim(REALM_ACCESS_CLAIM);
             if (realmAccess != null && realmAccess.containsKey("roles")) {
                 List<String> roles = (List<String>) realmAccess.get("roles");
                 for (String role : roles) {