diff --git a/packages/core/src/renderer/components/+namespaces/store.ts b/packages/core/src/renderer/components/+namespaces/store.ts
index 3e3608fb81..00732ba4e7 100644
--- a/packages/core/src/renderer/components/+namespaces/store.ts
+++ b/packages/core/src/renderer/components/+namespaces/store.ts
@@ -61,7 +61,10 @@ export class NamespaceStore extends KubeObjectStore<Namespace, NamespaceApi> {
   }
 
   @computed get allowedNamespaces(): string[] {
-    return this.items.map(item => item.getName());
+    return Array.from(new Set([
+      ...this.dependencies.context.allNamespaces, // allowed namespaces from cluster (main)
+      ...this.items.map(item => item.getName()), // loaded namespaces from k8s api
+    ].flat()));
   }
 
   /**