diff --git a/lib/utils/config/definitions.js b/lib/utils/config/definitions.js
index 79222881c9734..fee91eeeac632 100644
--- a/lib/utils/config/definitions.js
+++ b/lib/utils/config/definitions.js
@@ -1455,6 +1455,7 @@ define('pack-destination', {
   description: `
     Directory in which \`npm pack\` will save tarballs.
   `,
+  flatten,
 })
 
 define('parseable', {