diff --git a/cassandra/values.yaml b/cassandra/values.yaml
index e64e922..2339485 100644
--- a/cassandra/values.yaml
+++ b/cassandra/values.yaml
@@ -275,8 +275,13 @@ nodeAffinityPreset:
 ## Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
 ## NOTE: podAffinityPreset, podAntiAffinityPreset, and nodeAffinityPreset will be ignored when it's set
 ##
-affinity: {}
-## @param nodeSelector Node labels for pod assignment
+affinity:
+  podAntiAffinity:
+    requiredDuringSchedulingIgnoredDuringExecution:
+      - labelSelector:
+          matchLabels:
+            app.kubernetes.io/name: cassandra
+        topologyKey: "kubernetes.io/hostname"## @param nodeSelector Node labels for pod assignment
 ## ref: https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/
 ##
 nodeSelector: {}