diff --git a/blue-green/main.tf b/blue-green/main.tf
index f702a52..c4648be 100644
--- a/blue-green/main.tf
+++ b/blue-green/main.tf
@@ -22,6 +22,7 @@ module "blue" {
   health_check_grace_period   = "${var.health_check_grace_period}"
   termination_policies        = ["${var.termination_policies}"]
   target_group_arns           = "${var.target_group_arns}"
+  health_check_type           = "${var.health_check_type}"
 }
 
 module "green" {
@@ -48,4 +49,5 @@ module "green" {
   health_check_grace_period   = "${var.health_check_grace_period}"
   termination_policies        = ["${var.termination_policies}"]
   target_group_arns           = "${var.target_group_arns}"
+  health_check_type           = "${var.health_check_type}"
 }
diff --git a/blue-green/variables.tf b/blue-green/variables.tf
index 6d92539..bdebe17 100644
--- a/blue-green/variables.tf
+++ b/blue-green/variables.tf
@@ -110,3 +110,8 @@ variable "target_group_arns" {
   description = "A list of aws_alb_target_group ARNs, for use with Application Load Balancing"
   default     = []
 }
+
+variable "health_check_type" {
+  description = "The health check type to apply to the Autoscaling groups."
+  default     = "ELB"
+}
diff --git a/single-stack/main.tf b/single-stack/main.tf
index a0502f7..7684846 100644
--- a/single-stack/main.tf
+++ b/single-stack/main.tf
@@ -26,7 +26,7 @@ resource "aws_autoscaling_group" "bluegreen_asg" {
   max_size                  = "${var.max_size}"
   min_size                  = "${var.min_size}"
   desired_capacity          = "${var.desired_capacity}"
-  health_check_type         = "ELB"
+  health_check_type         = "${var.health_check_type}"
   health_check_grace_period = "${var.health_check_grace_period}"
   termination_policies      = ["${var.termination_policies}"]
   target_group_arns         = ["${var.target_group_arns}"]
diff --git a/single-stack/variables.tf b/single-stack/variables.tf
index e67b2b8..a466454 100644
--- a/single-stack/variables.tf
+++ b/single-stack/variables.tf
@@ -98,3 +98,8 @@ variable "target_group_arns" {
   description = "A list of aws_alb_target_group ARNs, for use with Application Load Balancing"
   default     = []
 }
+
+variable "health_check_type" {
+  description = "The health check type to apply to the Autoscaling group."
+  default     = "ELB"
+}