diff --git a/roles/resources/tasks/create_network.yaml b/roles/resources/tasks/create_network.yaml
index 2e1064f..45d551d 100644
--- a/roles/resources/tasks/create_network.yaml
+++ b/roles/resources/tasks/create_network.yaml
@@ -1,7 +1,13 @@
 ---
 - name: Create network {{ _network.name }}
   vars:
-    _config: "{'cniVersion':'0.3.1','type':'ovn-k8s-cni-overlay','topology':'layer2','name': '{{ _network.name }}{{ guid }}', 'netAttachDefName': '{{ openshift_cnv_namespace }}/{{ _network.name }}{{ guid }}', 'mtu': {{ _network.mtu | default(1500) }}}"
+    _config:
+      cniVersion: "0.3.1"
+      type: ovn-k8s-cni-overlay
+      topology: layer2
+      name: "{{ _network.name }}{{ guid }}"
+      netAttachDefName: "{{ openshift_cnv_namespace }}/{{ _network.name }}{{ guid }}"
+      mtu: "{{ _network.mtu | default(1500) | int }}"
   kubernetes.core.k8s:
     definition:
       apiVersion: k8s.cni.cncf.io/v1