diff --git a/tests/k8s-azure/manifest/cluster-api/linux-vmss-multiple-zones-ci-version.yaml b/tests/k8s-azure/manifest/cluster-api/linux-vmss-multiple-zones-ci-version.yaml
index f55d63fcf6..ec249ec62a 100644
--- a/tests/k8s-azure/manifest/cluster-api/linux-vmss-multiple-zones-ci-version.yaml
+++ b/tests/k8s-azure/manifest/cluster-api/linux-vmss-multiple-zones-ci-version.yaml
@@ -261,6 +261,7 @@ spec:
   failureDomains:
     - "1"
     - "2"
+    - "3"
   replicas: ${WORKER_MACHINE_COUNT}
   template:
     spec:
@@ -435,6 +436,7 @@ spec:
   failureDomains:
     - "1"
     - "2"
+    - "3"
   replicas: ${WINDOWS_WORKER_MACHINE_COUNT:-0}
   template:
     spec: