diff --git a/main.tf b/main.tf
index e142b26..4b70272 100644
--- a/main.tf
+++ b/main.tf
@@ -16,11 +16,7 @@ resource "aws_elasticache_replication_group" "default" {
 
   subnet_group_name          = aws_elasticache_subnet_group.default.name
   automatic_failover_enabled = var.automatic_failover_enabled
-
-  cluster_mode {
-    replicas_per_node_group = var.replicas_per_node_group
-    num_node_groups         = var.node_groups
-  }
-
+  replicas_per_node_group    = var.replicas_per_node_group
+  num_cache_clusters         = var.num_cache_clusters
   tags = var.tags
 }
diff --git a/variables.tf b/variables.tf
index 6e99d6d..da9e9f9 100644
--- a/variables.tf
+++ b/variables.tf
@@ -1,8 +1,8 @@
 variable "namespace" {
 }
 
-variable "node_groups" {
-  description = "Number of nodes groups to create in the"
+variable "num_cache_clusters" {
+  description = "Number of cache cluster to create (will be support at version 1 or above)"
   default     = 1
 }