diff --git a/kubernetes/affinity/node-affinity.yaml b/kubernetes/affinity/node-affinity.yaml
index 6870f6a..037ce9d 100644
--- a/kubernetes/affinity/node-affinity.yaml
+++ b/kubernetes/affinity/node-affinity.yaml
@@ -19,6 +19,15 @@ spec:
       - name: app-disk
         image: nginx:latest
       affinity:
+        podAntiAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+          - labelSelector:
+              matchExpressions:
+              - key: app
+                operator: In
+                values:
+                - app-disk
+            topologyKey: "kubernetes.io/hostname"
         nodeAffinity:
           requiredDuringSchedulingIgnoredDuringExecution:
             nodeSelectorTerms: