diff --git a/main.tf b/main.tf
index 8c529dd..e44d5bf 100644
--- a/main.tf
+++ b/main.tf
@@ -43,7 +43,7 @@ resource "aws_security_group" "main" {
 resource "aws_network_interface" "main" {
   description       = "${var.name} static private ENI"
   subnet_id         = var.subnet_id
-  security_groups   = local.security_groups
+  security_groups   = [aws_security_group.main.id]
   source_dest_check = false
 
   tags = merge(var.tags, {