diff --git a/lib/downloader.js b/lib/downloader.js
index 31da0ad..eec8d76 100644
--- a/lib/downloader.js
+++ b/lib/downloader.js
@@ -192,9 +192,9 @@ class Downloader {
 
       const manifest = this.get_manifest_from_npm(firmware, options);
 
-      let hex_path;
+      let hexpath;
       try {
-        hex_path = path.join(
+        hexpath = path.join(
           this.get_npm_basepath(firmware),
           this.get_path_from_manifest(manifest, firmware, options)
         );
@@ -202,7 +202,7 @@ class Downloader {
         reject(new Error('Cannot get path to hex file', e));
       }
 
-      resolve(hex_path);
+      resolve({hexpath});
     });
   }