diff --git a/src/Controller/ConfigController.php b/src/Controller/ConfigController.php
index 49f3c38..cfe1407 100644
--- a/src/Controller/ConfigController.php
+++ b/src/Controller/ConfigController.php
@@ -36,9 +36,10 @@ public function read(Aliases $aliases): ResponseInterface
         }
 
         $content = require $mergePlanPath;
+        $rootAlias = $aliases->get('@root');
 
         $result = [
-            'path' => $mergePlanPath,
+            'path' => substr($mergePlanPath, strlen($rootAlias) + 1),
             'data' => $content,
         ];