diff --git a/README.md b/README.md
index fa08a30..5398ec7 100644
--- a/README.md
+++ b/README.md
@@ -73,7 +73,7 @@ No outputs.
 - resource.aws_efs_file_system.main (main.tf#1)
 - resource.aws_efs_file_system_policy.main (main.tf#44)
 - resource.aws_efs_mount_target.main (main.tf#37)
-- resource.random_uuid.main (main.tf#53)
+- resource.random_uuid.main (main.tf#52)
 - data source.aws_caller_identity.current (data.tf#1)
 - data source.aws_iam_policy_document.main (data.tf#3)
 
diff --git a/main.tf b/main.tf
index 016cc27..c245d3d 100644
--- a/main.tf
+++ b/main.tf
@@ -35,16 +35,15 @@ resource "aws_efs_file_system" "main" {
 }
 
 resource "aws_efs_mount_target" "main" {
-  for_each        = toset(var.private_subnets)
+  count           = length(var.private_subnets)
   file_system_id  = aws_efs_file_system.main.id
   security_groups = var.security_groups
-  subnet_id       = each.value
+  subnet_id       = var.private_subnets[count.index]
 }
 
 resource "aws_efs_file_system_policy" "main" {
   file_system_id = aws_efs_file_system.main.id
 
-
   bypass_policy_lockout_safety_check = var.bypass_policy_lockout_safety_check
 
   policy = data.aws_iam_policy_document.main.json