diff --git a/src/preprocessors/bdTheme.js b/src/preprocessors/bdTheme.js
index 40316ca..d246d70 100644
--- a/src/preprocessors/bdTheme.js
+++ b/src/preprocessors/bdTheme.js
@@ -7,9 +7,7 @@ export default (themePath, repo) => {
 
   let manifest = {
     main: 'index.js',
-    tags: ['theme', 'port'],
-
-    ...repo[4]
+    tags: ['theme', 'port']
   };
 
   let match;
@@ -42,6 +40,8 @@ export default (themePath, repo) => {
     }
   }
 
+  manifest = Object.assign(manifest, repo[4]);
+
   rmSync(themePath);
   mkdirSync(themePath);