diff --git a/main.tf b/main.tf
index e099079..45ab21c 100644
--- a/main.tf
+++ b/main.tf
@@ -52,7 +52,7 @@ resource "aws_launch_configuration" "ecs" {
 }
 
 resource "aws_autoscaling_group" "ecs" {
-  name                 = "asg-${aws_launch_configuration.ecs.name}"
+  name_prefix          = "asg-${aws_launch_configuration.ecs.name}-"
   vpc_zone_identifier  = ["${var.subnet_id}"]
   launch_configuration = "${aws_launch_configuration.ecs.name}"
   min_size             = "${var.min_servers}"