diff --git a/infra/deployment.ts b/infra/deployment.ts
index a985bf8..5e1b788 100644
--- a/infra/deployment.ts
+++ b/infra/deployment.ts
@@ -68,6 +68,7 @@ const codebuild = new aws.codebuild.Project(`${prefix}-codebuild`, {
     image: "aws/codebuild/standard:7.0",
     type: "LINUX_CONTAINER",
     environmentVariables: [
+      { name: "IMBUSY_BE_LAMBDA", value: backend.lambda.name, },
       { name: "IMBUSY_BE_BUCKET", value: backend.bucket.bucket, },
       { name: "IMBUSY_FE_BUCKET", value: frontend.bucket.bucket, },
     ],