diff --git a/prepare-vms/azuredeploy.parameters.json b/prepare-vms/azuredeploy.parameters.json
index 6e61d7cc..51f7edae 100644
--- a/prepare-vms/azuredeploy.parameters.json
+++ b/prepare-vms/azuredeploy.parameters.json
@@ -13,5 +13,6 @@
     },
     "vmSize": {
       "value": "Standard_D2_v3"
+    }
   }
 }