diff --git a/jkube-kit/enricher/specific/src/main/java/org/eclipse/jkube/kit/enricher/specific/KarafHealthCheckEnricher.java b/jkube-kit/enricher/specific/src/main/java/org/eclipse/jkube/kit/enricher/specific/KarafHealthCheckEnricher.java
index f931e9587b..886dd3dd13 100644
--- a/jkube-kit/enricher/specific/src/main/java/org/eclipse/jkube/kit/enricher/specific/KarafHealthCheckEnricher.java
+++ b/jkube-kit/enricher/specific/src/main/java/org/eclipse/jkube/kit/enricher/specific/KarafHealthCheckEnricher.java
@@ -76,7 +76,7 @@ private Probe discoverKarafProbe(String path, int initialDelay) {
         Object startupFeatures = lookup.get();
         if (!(startupFeatures instanceof Map)) {
             throw new IllegalArgumentException(String.format("For element %s was expected a complex object but a simple object was found of type %s and value %s",
-                "startupFeatures", startupFeatures.getClass(), startupFeatures.toString()));
+                "startupFeatures", startupFeatures.getClass(), startupFeatures));
         }
 
         final Map<String, Object> startUpFeaturesObject = (Map<String, Object>) startupFeatures;