diff --git a/public/trivabble.js b/public/trivabble.js
index 8979b39..b978a87 100644
--- a/public/trivabble.js
+++ b/public/trivabble.js
@@ -37,15 +37,20 @@
         }
     }
 
-    setConf("POLLING_DELAY",        2000);
-    setConf("ENABLE_WEBSOCKETS",    true);
-    setConf("ENABLE_EVENT_SOURCE",  true);
-    setConf("MAX_WEBSOCKET_ERRORS", 1);
-    setConf("APP_PATH",             "");
-    setConf("ENABLE_SPELL_CHECKER", false);
-    setConf("DOUBLE_TAP_DURATIONS", [650, 1100, 1800, 3000, 5000]);
+    setConf("POLLING_DELAY",         2000);
+    setConf("ENABLE_WEBSOCKETS",     true);
+    setConf("ENABLE_EVENT_SOURCE",   true);
+    setConf("MAX_WEBSOCKET_ERRORS",  1);
+    setConf("APP_PATH",              "");
+    setConf("ENABLE_SPELL_CHECKER",  false);
+    setConf("DOUBLE_TAP_DURATIONS",  [650, 1100, 1800, 3000, 5000]);
     setConf("FLASH_LIGHT_DURATIONS", [800, 1600, 3200]);
-    setConf("FLASH_LIGHT_COLOR", "#E3E");
+    setConf("FLASH_LIGHT_COLOR",     "#E3E");
+
+    function isSetting(key) {
+        return Object.prototype.hasOwnProperty.call(Conf, key) ||
+            Object.prototype.hasOwnProperty.call(localStorage, key);
+    }
 
     function isSetting(key) {
         return Object.prototype.hasOwnProperty.call(Conf, key) ||