diff --git a/frontend/src/constants/reactQueryKeys.ts b/frontend/src/constants/reactQueryKeys.ts
index 36cf99157e..66ab79dc34 100644
--- a/frontend/src/constants/reactQueryKeys.ts
+++ b/frontend/src/constants/reactQueryKeys.ts
@@ -21,4 +21,5 @@ export const REACT_QUERY_KEY = {
 	GET_HOST_LIST: 'GET_HOST_LIST',
 	UPDATE_ALERT_RULE: 'UPDATE_ALERT_RULE',
 	GET_ACTIVE_LICENSE_V3: 'GET_ACTIVE_LICENSE_V3',
+	GET_NAMESPACE_LIST: 'GET_NAMESPACE_LIST',
 };
diff --git a/frontend/src/hooks/infraMonitoring/useGetK8sNamespacesList.ts b/frontend/src/hooks/infraMonitoring/useGetK8sNamespacesList.ts
index 323e5c1bc4..24763b4657 100644
--- a/frontend/src/hooks/infraMonitoring/useGetK8sNamespacesList.ts
+++ b/frontend/src/hooks/infraMonitoring/useGetK8sNamespacesList.ts
@@ -34,7 +34,7 @@ export const useGetK8sNamespacesList: UseGetK8sNamespacesList = (
 			return options.queryKey;
 		}
 
-		return [REACT_QUERY_KEY.GET_HOST_LIST, requestData];
+		return [REACT_QUERY_KEY.GET_NAMESPACE_LIST, requestData];
 	}, [options?.queryKey, requestData]);
 
 	return useQuery<