diff --git a/packages/internal/src/node/createBundles.js b/packages/internal/src/node/createBundles.js
index 045a7467dbea..d17d1bb45ea6 100644
--- a/packages/internal/src/node/createBundles.js
+++ b/packages/internal/src/node/createBundles.js
@@ -52,7 +52,7 @@ export const createBundles = async (sourceBundles, dirname = '.') => {
 
 export const extractProposalBundles = async (
   dirProposalBuilder,
-  dirname = '.'
+  dirname = '.',
 ) => {
   const toBundle = new Map();
 
@@ -68,20 +68,20 @@ export const extractProposalBundles = async (
             const oldSrc = toBundle.get(bundlePath);
             oldSrc === srcPath ||
               Fail`${q(bundlePath)} already installed as ${q(
-                oldSrc
+                oldSrc,
               )}, also given ${q(srcPath)}`;
           }
           toBundle.set(bundlePath, srcPath);
         }
       };
       return proposalBuilder({ publishRef, install });
-    })
+    }),
   );
 
   return createBundlesFromAbsolute(
     [...toBundle.entries()].map(([bundlePath, srcPath]) => [
       srcPath,
       bundlePath,
-    ])
+    ]),
   );
 };