diff --git a/main.tf b/main.tf
index afed1cd..d55d410 100644
--- a/main.tf
+++ b/main.tf
@@ -99,7 +99,7 @@ resource "aws_instance" "instance" {
   user_data                   = var.user_data == "" ? data.template_file.user_data.rendered : var.user_data
 
   network_interface {
-    network_interface_id = aws_network_interface.interface.id
+    network_interface_id = aws_network_interface.interface.id[0]
     device_index         = 0
   }