diff --git a/src/main/java/de/ozgcloud/operator/SpringNativeConfiguration.java b/src/main/java/de/ozgcloud/operator/SpringNativeConfiguration.java
index b55cfe1cf9ec5c4c64b6f73029c5b8f4b3004576..e050ad3a2925754a1d1ccd7a372701b26065d1bb 100644
--- a/src/main/java/de/ozgcloud/operator/SpringNativeConfiguration.java
+++ b/src/main/java/de/ozgcloud/operator/SpringNativeConfiguration.java
@@ -50,6 +50,8 @@ public class SpringNativeConfiguration {
 			combined.add(KeycloakUserSpec.KeycloakUserSpecUserGroup.class);
 			combined.add(KeycloakUserStatus.class);
 
+			combined.add(org.keycloak.admin.client.Keycloak.class);
+
 			try {
 				combined.add(Class.forName("io.fabric8.kubernetes.client.okhttp.OkHttpClientBuilderImpl"));
 			} catch (ClassNotFoundException e) {