diff --git a/index.html b/index.html
index 22bd6aa..05d035f 100644
--- a/index.html
+++ b/index.html
@@ -47,9 +47,7 @@
 			$('#layoutswitcher').on('change', function() {
 				switchLayout(this.value);
 			});
-			currentLayout = layout['de_CH'];
-			renderLayout();
-			startClock();
+			switchLayout('de_CH');
 		});
 	</script>
 </body>
diff --git a/uhr.js b/uhr.js
index 783aae3..676dc35 100644
--- a/uhr.js
+++ b/uhr.js
@@ -97,6 +97,9 @@ function switchTheme(theme) {
 function switchLayout(locale) {
 	stopClock();
 	currentLayout = layout[locale];
+	if (currentLayout == undefined) {
+		currentLayout = layout['default'];
+	}
 	renderLayout();
 	if (isOn()) {
 		startClock();