diff --git a/infrastructure/lambda-nems-message.tf b/infrastructure/lambda-nems-message.tf
index 0b7ca575..9b46ac42 100644
--- a/infrastructure/lambda-nems-message.tf
+++ b/infrastructure/lambda-nems-message.tf
@@ -72,8 +72,9 @@ module "nems-message-lambda-alarm-topic" {
 }
 
 resource "aws_lambda_event_source_mapping" "nems_message_lambda" {
-  event_source_arn = module.sqs-nems-queue.endpoint
-  function_name    = module.nems-message-lambda.endpoint
+  count            = local.is_mesh_forwarder_enable ? 1 : 0
+  event_source_arn = module.sqs-nems-queue[0].endpoint
+  function_name    = module.nems-message-lambda[0].endpoint
 
   depends_on = [
     module.sqs-nems-queue,