diff --git a/helm/istiod/values.yaml b/helm/istiod/values.yaml
index 0f3b361..882f533 100644
--- a/helm/istiod/values.yaml
+++ b/helm/istiod/values.yaml
@@ -11,3 +11,4 @@ istiod:
                     operator: In
                     values:
                     - istiod
+                topologyKey: kubernetes.io/hostname=istiod
\ No newline at end of file