diff --git a/li.strolch.agent/src/main/java/li/strolch/service/api/ServiceResult.java b/li.strolch.agent/src/main/java/li/strolch/service/api/ServiceResult.java
index b3ffe1e87..d1d5430e9 100644
--- a/li.strolch.agent/src/main/java/li/strolch/service/api/ServiceResult.java
+++ b/li.strolch.agent/src/main/java/li/strolch/service/api/ServiceResult.java
@@ -64,6 +64,13 @@ public class ServiceResult implements Serializable {
 		return this.state == ServiceResultState.SUCCESS;
 	}
 
+	/**
+	 * @return true if the state is NOT {@link ServiceResultState#SUCCESS}
+	 */
+	public boolean isNok() {
+		return this.state != ServiceResultState.SUCCESS;
+	}
+
 	/**
 	 * @return the state
 	 */