diff --git a/vpc-interface-endpoint/route53.tf b/vpc-interface-endpoint/route53.tf
index 6f120b7..a60cbaa 100644
--- a/vpc-interface-endpoint/route53.tf
+++ b/vpc-interface-endpoint/route53.tf
@@ -62,7 +62,7 @@ resource "null_resource" "vpce" {
     command = format("touch %v/setup/.vpce.%v", path.root, self.triggers.service)
   }
   provisioner "local-exec" {
-    when    = "destroy"
+    when    = destroy
     command = format("rm %v/setup/.vpce.%v", path.root, self.triggers.service)
   }
 }