diff --git a/crd/nodenetworkconfig/api/v1alpha/nodenetworkconfig.go b/crd/nodenetworkconfig/api/v1alpha/nodenetworkconfig.go
index 91691d6548..1137b28e96 100644
--- a/crd/nodenetworkconfig/api/v1alpha/nodenetworkconfig.go
+++ b/crd/nodenetworkconfig/api/v1alpha/nodenetworkconfig.go
@@ -49,7 +49,7 @@ type NodeNetworkConfigSpec struct {
 	IPsNotInUse      []string `json:"ipsNotInUse,omitempty"`
 	// AvailabilityZone contains the Azure availability zone for the virtual machine where network containers are placed.
 	// +kubebuilder:validation:Optional
-	AvailabilityZone string `json:"availabilityZone,omitempty"`
+	AvailabilityZone uint `json:"availabilityZone,omitempty"`
 }
 
 // Status indicates the NNC reconcile status
diff --git a/crd/nodenetworkconfig/manifests/acn.azure.com_nodenetworkconfigs.yaml b/crd/nodenetworkconfig/manifests/acn.azure.com_nodenetworkconfigs.yaml
index 9368964675..1410a85e2a 100644
--- a/crd/nodenetworkconfig/manifests/acn.azure.com_nodenetworkconfigs.yaml
+++ b/crd/nodenetworkconfig/manifests/acn.azure.com_nodenetworkconfigs.yaml
@@ -78,7 +78,7 @@ spec:
               availabilityZone:
                 description: AvailabilityZone contains the Azure availability zone
                   for the virtual machine where network containers are placed.
-                type: string
+                type: integer
               ipsNotInUse:
                 items:
                   type: string