diff --git a/sources-user.js b/sources-user.js
index 8f65ba1..6828be5 100644
--- a/sources-user.js
+++ b/sources-user.js
@@ -9,6 +9,15 @@ module.exports = [
         patterns: `docs/en/**`
     }
   },
+  {
+    resolve: `gatsby-source-git`,
+    options: {
+      name: `user--5--optional_features/linkfield`,
+      remote: `https://github.com/silverstripe/silverstripe-linkfield`,
+      branch: `4`,
+      patterns: `docs/en/userguide/**`,
+    }
+  },
   {
     resolve: `gatsby-source-git`,
     options: {