diff --git a/README.md b/README.md
index a67fabd..e2670d9 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,7 @@ module "ec2" {
 | <a name="input_root_block_device"></a> [root\_block\_device](#input\_root\_block\_device) | volume config | `any` | `[]` | no |
 | <a name="input_security_group_ids"></a> [security\_group\_ids](#input\_security\_group\_ids) | security\_group\_ids | `list(string)` | `null` | no |
 | <a name="input_server_name"></a> [server\_name](#input\_server\_name) | server\_name | `string` | `null` | no |
+| <a name="input_source_dest_check"></a> [source\_dest\_check](#input\_source\_dest\_check) | source\_dest\_check | `bool` | `null` | no |
 | <a name="input_subnet_id"></a> [subnet\_id](#input\_subnet\_id) | subnet\_id | `string` | `null` | no |
 | <a name="input_user_data_path"></a> [user\_data\_path](#input\_user\_data\_path) | user\_data\_path | `string` | `null` | no |
 | <a name="input_user_data_replace_on_change"></a> [user\_data\_replace\_on\_change](#input\_user\_data\_replace\_on\_change) | recreate on user data change | `bool` | `true` | no |
diff --git a/main.tf b/main.tf
index 8cd0f3b..c1d7bef 100644
--- a/main.tf
+++ b/main.tf
@@ -45,6 +45,8 @@ module "ec2_instance" {
 
   private_ip = var.private_ip
 
+  source_dest_check = var.source_dest_check
+
   ami                         = var.ami != null ? var.ami : data.aws_ami.ami.id
   instance_type               = var.instance_type
   monitoring                  = var.monitoring
diff --git a/variables.tf b/variables.tf
index 208a5a4..81fcb2c 100644
--- a/variables.tf
+++ b/variables.tf
@@ -106,4 +106,10 @@ variable "architecture" {
   default     = "x86_64"
 }
 
+variable "source_dest_check" {
+  description = "source_dest_check"
+  type        = bool
+  default     = null
+}
+