diff --git a/sample/prd_jupyter/base/tf.yaml b/sample/prd_jupyter/base/tf.yaml
index 7b980d7..81571b3 100644
--- a/sample/prd_jupyter/base/tf.yaml
+++ b/sample/prd_jupyter/base/tf.yaml
@@ -31,6 +31,7 @@ spec:
     spec:
       hostPID: true
       nodeSelector:
+        kubernetes.io/hostname: h100-12
         nodegroup: h100
       containers:
         - name: tf-notebook