diff --git a/test/e2e/v1beta1/scripts/gh-actions/run-e2e-tune-api.py b/test/e2e/v1beta1/scripts/gh-actions/run-e2e-tune-api.py
index 458420dfe42..b2f55cfeaf2 100644
--- a/test/e2e/v1beta1/scripts/gh-actions/run-e2e-tune-api.py
+++ b/test/e2e/v1beta1/scripts/gh-actions/run-e2e-tune-api.py
@@ -3,6 +3,7 @@
 
 from kubeflow.katib import KatibClient
 from kubeflow.katib import search
+from kubernetes import client
 from verify import verify_experiment_results
 
 # Experiment timeout is 40 min.
@@ -71,6 +72,11 @@ def objective(parameters):
 
     katib_client = KatibClient()
 
+    namespace_labels = client.CoreV1Api().read_namespace(args.namespace).metadata.labels
+    if 'katib.kubeflow.org/metrics-collector-injection' not in namespace_labels:
+        namespace_labels['katib.kubeflow.org/metrics-collector-injection'] = 'enabled'
+        client.CoreV1Api().patch_namespace(args.namespace, {'metadata': {'labels': namespace_labels}})
+
     # Test with run_e2e_experiment_create_by_tune
     exp_name = "tune-example"
     exp_namespace = args.namespace