diff --git a/ec2.tf b/ec2.tf
index 5807c3b..dbb1c7b 100644
--- a/ec2.tf
+++ b/ec2.tf
@@ -55,7 +55,7 @@ resource "aws_launch_template" "main" {
     description                 = "${var.name} ephemeral public ENI"
     subnet_id                   = var.subnet_id
     associate_public_ip_address = true
-    security_groups             = concat(
+    security_groups = concat(
       [aws_security_group.main.id],
       var.additional_security_group_ids
     )
diff --git a/variables.tf b/variables.tf
index 6d69c0c..f9791f2 100644
--- a/variables.tf
+++ b/variables.tf
@@ -119,6 +119,6 @@ variable "tags" {
 
 variable "additional_security_group_ids" {
   description = "A list of identifiers of security groups to be added to the EC2 instance"
-  type = list(string)
-  default = []
+  type        = list(string)
+  default     = []
 }
\ No newline at end of file