diff --git a/locals.tf b/locals.tf
index a0f5878..0212ca1 100755
--- a/locals.tf
+++ b/locals.tf
@@ -1,4 +1,4 @@
 locals {
   bucket_arn               = "arn:${data.aws_partition.current.partition}:s3:::${var.bucket_name}"
-  dynamo_kms_master_key_id = var.dynamo_kms_master_key_id == null ? "alias/aws/dynamo" : var.dynamo_kms_master_key_id
+  dynamo_kms_master_key_id = var.dynamo_kms_master_key_id == null ? "alias/aws/dynamodb" : var.dynamo_kms_master_key_id
 }