diff --git a/light-entity-row.js b/light-entity-row.js
index 1111d98..4b79160 100644
--- a/light-entity-row.js
+++ b/light-entity-row.js
@@ -181,7 +181,9 @@ class AdjustableLightEntityRow extends Polymer.Element {
     }
 
     this._config = JSON.parse(JSON.stringify(config));
-    this._buttons = JSON.parse(JSON.stringify(config.buttons))
+    if (config.buttons) { 
+	      this._buttons = JSON.parse(JSON.stringify(config.buttons))
+	  }
 
   }