diff --git a/extensions/kubernetes/vanilla/deployment/src/main/java/io/quarkus/kubernetes/deployment/AddNamespaceDecorator.java b/extensions/kubernetes/vanilla/deployment/src/main/java/io/quarkus/kubernetes/deployment/AddNamespaceDecorator.java
index 3e04125891e8e..30a3ed5d7d61c 100644
--- a/extensions/kubernetes/vanilla/deployment/src/main/java/io/quarkus/kubernetes/deployment/AddNamespaceDecorator.java
+++ b/extensions/kubernetes/vanilla/deployment/src/main/java/io/quarkus/kubernetes/deployment/AddNamespaceDecorator.java
@@ -1,15 +1,17 @@
 package io.quarkus.kubernetes.deployment;
 
+import java.util.List;
 import java.util.Objects;
+import java.util.stream.Collectors;
 
-import io.dekorate.kubernetes.decorator.AddSidecarDecorator;
 import io.dekorate.kubernetes.decorator.Decorator;
-import io.dekorate.kubernetes.decorator.NamedResourceDecorator;
 import io.dekorate.kubernetes.decorator.ResourceProvidingDecorator;
+import io.fabric8.kubernetes.api.model.HasMetadata;
+import io.fabric8.kubernetes.api.model.KubernetesListBuilder;
+import io.fabric8.kubernetes.api.model.Namespaced;
 import io.fabric8.kubernetes.api.model.ObjectMeta;
-import io.fabric8.kubernetes.api.model.ObjectMetaBuilder;
 
-public class AddNamespaceDecorator extends NamedResourceDecorator<ObjectMetaBuilder> {
+public class AddNamespaceDecorator extends Decorator<KubernetesListBuilder> {
 
     private final String namespace;
 
@@ -18,10 +20,19 @@ public AddNamespaceDecorator(String namespace) {
     }
 
     @Override
-    public void andThenVisit(ObjectMetaBuilder builder, ObjectMeta resourceMeta) {
-        if (!builder.hasNamespace()) {
-            builder.withNamespace(namespace);
-        }
+    public void visit(KubernetesListBuilder list) {
+        List<HasMetadata> buildItems = list.buildItems()
+                .stream()
+                .peek(obj -> {
+                    if (obj instanceof Namespaced) {
+                        final ObjectMeta metadata = obj.getMetadata();
+                        if (metadata.getNamespace() == null) {
+                            metadata.setNamespace(namespace);
+                            obj.setMetadata(metadata);
+                        }
+                    }
+                }).collect(Collectors.toList());
+        list.withItems(buildItems);
     }
 
     @Override
@@ -43,4 +54,5 @@ public boolean equals(Object o) {
     public int hashCode() {
         return Objects.hash(namespace);
     }
+
 }
diff --git a/integration-tests/kubernetes/quarkus-standard-way/src/test/java/io/quarkus/it/kubernetes/KubernetesWithRbacFullTest.java b/integration-tests/kubernetes/quarkus-standard-way/src/test/java/io/quarkus/it/kubernetes/KubernetesWithRbacFullTest.java
index 83be5e5411d86..88da309588f08 100644
--- a/integration-tests/kubernetes/quarkus-standard-way/src/test/java/io/quarkus/it/kubernetes/KubernetesWithRbacFullTest.java
+++ b/integration-tests/kubernetes/quarkus-standard-way/src/test/java/io/quarkus/it/kubernetes/KubernetesWithRbacFullTest.java
@@ -84,6 +84,7 @@ public void assertGeneratedResources() throws IOException {
 
         // secret-reader assertions
         ClusterRole secretReaderRole = getClusterRoleByName(kubernetesList, "secret-reader");
+        assertThat(secretReaderRole.getMetadata().getNamespace()).isNull();
         assertThat(secretReaderRole.getRules()).satisfiesOnlyOnce(r -> {
             assertThat(r.getApiGroups()).containsExactly("");
             assertThat(r.getResources()).containsExactly("secrets");
@@ -111,6 +112,7 @@ public void assertGeneratedResources() throws IOException {
         assertEquals("Group", clusterSubject.getKind());
         assertEquals("manager", clusterSubject.getName());
         assertEquals("rbac.authorization.k8s.io", clusterSubject.getApiGroup());
+        assertThat(clusterRoleBinding.getMetadata().getNamespace()).isNull();
     }
 
     private int lastIndexOfKind(String content, String... kinds) {