diff --git a/.env.docker b/.env.docker
index bc7333f..737bc09 100644
--- a/.env.docker
+++ b/.env.docker
@@ -1,6 +1,4 @@
 AWS_REGION=us-east-2
-COVALENCE_PACKER_DIR=./
-COVALENCE_TERRAFORM_DIR=./
 COVALENCE_TEST_ENVS=basic
 CHECKPOINT_DISABLE=1
 GODEBUG=netdns=cgo
diff --git a/README.md b/README.md
index e98c19e..50a1241 100644
--- a/README.md
+++ b/README.md
@@ -165,7 +165,7 @@ module "asg" {
 
   # VPC parameters
   region  = "us-east-1"
-  subnets = "subnet-3315e85a,subnet-3bbaaf43,subnet-ec1326a6"
+  subnets = ["subnet-3315e85a","subnet-3bbaaf43","subnet-ec1326a6"]
   vpc_id  = "vpc-0f986c66"
 
   # LC parameters
@@ -206,7 +206,7 @@ module "asg" {
 
   # VPC parameters
   region  = "us-east-1"
-  subnets = "subnet-3315e85a,subnet-3bbaaf43,subnet-ec1326a6"
+  subnets = ["subnet-3315e85a","subnet-3bbaaf43","subnet-ec1326a6"]
   vpc_id  = "vpc-0f986c66"
 
   # LC parameters
diff --git a/data/globals.yaml b/data/globals.yaml
index 5ab8578..01fe884 100644
--- a/data/globals.yaml
+++ b/data/globals.yaml
@@ -8,4 +8,7 @@ tf_state_region: 'us-east-2'
 ## VPC
 vpc_id: 'vpc-0f986c66'
 vpc_region: 'us-east-2'
-vpc_subnets: 'subnet-3315e85a,subnet-3bbaaf43,subnet-ec1326a6'
+vpc_subnets:
+ - 'subnet-3315e85a'
+ - 'subnet-3bbaaf43'
+ - 'subnet-ec1326a6'
diff --git a/group/main.tf b/group/main.tf
index 72bd6fa..b5751e4 100644
--- a/group/main.tf
+++ b/group/main.tf
@@ -101,7 +101,7 @@ module "asg" {
   propagate_name_at_launch = "${var.propagate_name_at_launch}"
 
   ### VPC parameters
-  subnets = ["${var.subnets}"]
+  subnets = "${var.subnets}"
 
   ### LC parameters
   lc_id = "${module.lc.lc_id}"