diff --git a/main.tf b/main.tf
index ee3832a..c554305 100644
--- a/main.tf
+++ b/main.tf
@@ -67,8 +67,9 @@ module "nat-gateway" {
   wait_for_instances = true
   metadata           = "${var.metadata}"
   ssh_source_ranges  = "${var.ssh_source_ranges}"
+  http_health_check  = "${var.autohealing_enabled}"
 
-  update_strategy    = "ROLLING_UPDATE"
+  update_strategy = "ROLLING_UPDATE"
 
   rolling_update_policy = [{
     type                  = "PROACTIVE"
diff --git a/variables.tf b/variables.tf
index 474f90b..e8818c2 100644
--- a/variables.tf
+++ b/variables.tf
@@ -112,6 +112,11 @@ variable instance_labels {
   default     = {}
 }
 
+variable autohealing_enabled {
+  description = "Enable instance autohealing using http health check"
+  default     = false
+}
+
 variable region_params {
   description = "Map of default zones and IPs for each region. Can be overridden using the `zone` and `ip` variables."
   type        = "map"