diff --git a/src/panels/lovelace/hui-root.js b/src/panels/lovelace/hui-root.js
index 84bfc6018a..eb166174fa 100644
--- a/src/panels/lovelace/hui-root.js
+++ b/src/panels/lovelace/hui-root.js
@@ -143,7 +143,7 @@ class HUIRoot extends EventsMixin(PolymerElement) {
   }
 
   _configChanged(config) {
-    this._loadResources(config.resources);
+    this._loadResources(config.resources || []);
     // On config change, recreate the view from scratch.
     this._selectView(this._curView);
   }