diff --git a/src/lib/Controller.js b/src/lib/Controller.js
index b9e9351..970e6f2 100644
--- a/src/lib/Controller.js
+++ b/src/lib/Controller.js
@@ -16,7 +16,7 @@ class Controller {
   blueprints () {
     return Object.keys(this.fetchers).map(
       sheet => this.fetchers[sheet].blueprints
-    )
+    ).reduce((acc, curr) => acc.concat(curr))
   }
 
   update () {