diff --git a/terraform/main.tf b/terraform/main.tf
index e02fbcd..4e6903b 100644
--- a/terraform/main.tf
+++ b/terraform/main.tf
@@ -59,9 +59,13 @@ module "vms" {
   cpu = each.value.cpu
   vcpu = each.value.vcpu
   ram = each.value.memory
-  network_interfaces = {
+  dynamic "network_interfaces"
+  {
     for_each = each.value.network_interfaces
-    { network_id = opennebula_virtual_network.vnet[each.value.network_name].id, ip = opennebula_virtual_network.vnet[each.value.network_name].ip4}
+    content { 
+      network_id = opennebula_virtual_network.vnet[each.value.network_name].id, 
+      ip = opennebula_virtual_network.vnet[each.value.network_name].ip4
+    }
   }
   tag_labels = each.value.labels