diff --git a/peer/main.tf b/peer/main.tf
index cc87a36..a31cead 100644
--- a/peer/main.tf
+++ b/peer/main.tf
@@ -157,12 +157,12 @@ module "nacl_rule_self" {
   network_acl_id = local.self_network_acl_ids[0]
 
   rule_description  = local.self_label
-  cidr_blocks       = [local.peer_cidr_block]
+  rule_definitions  = {}
   named_cidr_blocks = ["vpc"]
-  #  merge_cidr_blocks = { "vpc"   = local.peer_cidr_block }
-  rules          = ["all_inbound", "all_outbound"]
-  rule_number    = var.rule_number
-  rule_increment = var.rule_increment
+  merge_cidr_blocks = { "vpc" = local.peer_cidr_block }
+  rules             = ["all_inbound", "all_outbound"]
+  rule_number       = var.rule_number
+  rule_increment    = var.rule_increment
   tags = merge(
     var.tags,
     local.base_tags,
@@ -180,15 +180,14 @@ module "nacl_rule_peer" {
   network_acl_id = local.peer_network_acl_ids[0]
 
   rule_description  = local.peer_label
-  cidr_blocks       = [local.self_cidr_block]
+  rule_definitions  = {}
   named_cidr_blocks = ["vpc"]
-  #  merge_cidr_blocks = { "vpc"   = local.self_cidr_block }
-  rules          = ["all_inbound", "all_outbound"]
-  rule_number    = var.peer_rule_number
-  rule_increment = var.peer_rule_increment
+  merge_cidr_blocks = { "vpc" = local.self_cidr_block }
+  rules             = ["all_inbound", "all_outbound"]
+  rule_number       = var.peer_rule_number
+  rule_increment    = var.peer_rule_increment
   tags = merge(
     var.tags,
     local.base_tags,
   )
 }
-