diff --git a/public/js/app.js b/public/js/app.js
index ab929f7..a38ea0e 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -80,7 +80,8 @@
     changePasswordMessage: document.getElementById('changePasswordMessage'),
     globeContainer: document.getElementById('globeContainer'),
     globeTotalNodes: document.getElementById('globeTotalNodes'),
-    globeTotalRegions: document.getElementById('globeTotalRegions')
+    globeTotalRegions: document.getElementById('globeTotalRegions'),
+    sourceFilter: document.getElementById('sourceFilter')
   };
 
   // ---- State ----