diff --git a/src/common/catalog-entities/kubernetes-cluster.ts b/src/common/catalog-entities/kubernetes-cluster.ts
index b2ff284069..3335d3803d 100644
--- a/src/common/catalog-entities/kubernetes-cluster.ts
+++ b/src/common/catalog-entities/kubernetes-cluster.ts
@@ -51,6 +51,7 @@ export interface KubernetesClusterSpec extends CatalogEntitySpec {
     material?: string;
     background?: string;
   };
+  accessibleNamespaces?: string[];
 }
 
 export interface KubernetesClusterMetadata extends CatalogEntityMetadata {
diff --git a/src/main/cluster-manager.ts b/src/main/cluster-manager.ts
index fdc3bf3e1a..307b4592f1 100644
--- a/src/main/cluster-manager.ts
+++ b/src/main/cluster-manager.ts
@@ -193,7 +193,10 @@ export class ClusterManager extends Singleton {
       } else {
         cluster.kubeConfigPath = entity.spec.kubeconfigPath;
         cluster.contextName = entity.spec.kubeconfigContext;
-        cluster.accessibleNamespaces = entity.spec.accessibleNamespaces ?? [];
+
+        if (entity.spec.accessibleNamespace) {
+          cluster.accessibleNamespaces = entity.spec.accessibleNamespaces;
+        }
 
         this.updateEntityFromCluster(cluster);
       }