diff --git a/upup/models/cloudup/resources/addons/coredns.addons.k8s.io/k8s-1.12.yaml.template b/upup/models/cloudup/resources/addons/coredns.addons.k8s.io/k8s-1.12.yaml.template
index a323a4aa7841e..3db601f475786 100644
--- a/upup/models/cloudup/resources/addons/coredns.addons.k8s.io/k8s-1.12.yaml.template
+++ b/upup/models/cloudup/resources/addons/coredns.addons.k8s.io/k8s-1.12.yaml.template
@@ -147,7 +147,7 @@ spec:
       topologySpreadConstraints:
       - maxSkew: 1
         topologyKey: "topology.kubernetes.io/zone"
-        whenUnsatisfiable: ScheduleAnyway
+        whenUnsatisfiable: DoNotSchedule
         labelSelector:
           matchLabels:
             k8s-app: kube-dns