diff --git a/lib/filesystem.js b/lib/filesystem.js
index 8ef421d..106035a 100644
--- a/lib/filesystem.js
+++ b/lib/filesystem.js
@@ -105,7 +105,7 @@ class Filesystem {
     if (relativePath.startsWith('..')) {
       throw new Error(`${p}: file "${relativePath}" links out of the package`)
     }
-    const link = path.relative(realSrcPath, target)
+    const link = path.relative(this.src, target)
     const node = this.searchNodeFromPath(p)
     node.link = link
     return link