diff --git a/integration/admin-client-jee/src/main/java/org/keycloak/admin/client/JacksonProvider.java b/integration/admin-client-jee/src/main/java/org/keycloak/admin/client/JacksonProvider.java
index 58317b9bac..39785aab2b 100644
--- a/integration/admin-client-jee/src/main/java/org/keycloak/admin/client/JacksonProvider.java
+++ b/integration/admin-client-jee/src/main/java/org/keycloak/admin/client/JacksonProvider.java
@@ -1,6 +1,20 @@
 package org.keycloak.admin.client;
 
+import javax.ws.rs.core.MediaType;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import org.jboss.resteasy.plugins.providers.jackson.ResteasyJackson2Provider;
 
 public class JacksonProvider extends ResteasyJackson2Provider {
+
+    @Override
+    public ObjectMapper locateMapper(Class<?> type, MediaType mediaType) {
+        ObjectMapper objectMapper = super.locateMapper(type, mediaType);
+
+        // Same like JSONSerialization class. Makes it possible to use admin-client against older versions of Keycloak server where the properties on representations might be different
+        objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+        
+        return objectMapper;
+    }
 }