diff --git a/k4ever/media/js/k4ever.js b/k4ever/media/js/k4ever.js
index e3ff5d3..b09c105 100644
--- a/k4ever/media/js/k4ever.js
+++ b/k4ever/media/js/k4ever.js
@@ -25,6 +25,13 @@ jQuery(document).ready(function($) {
 		}, options), callback);
 	};
 
+	var updateBalance = function(newBalance) {
+		var balanceString = $("span.balance").text().split(": ");
+		balanceString[1] = parseFloat(newBalance).toFixed(2).replace(".", ",") + " €";
+
+		$("span.balance").text(balanceString.join(": "));
+	}
+
 	$.extend($.gritter.options, {
 		position: "bottom-right",
 		fade_in_speed: 250,
@@ -61,6 +68,7 @@ jQuery(document).ready(function($) {
 			});
 
 			dataContainer.children().removeClass("locked");
+			updateBalance(data.balance);
 		}, options);
 	});
 
@@ -121,7 +129,7 @@ jQuery(document).ready(function($) {
 
 						if(status === "success") {
 							selected_item.addClass("success");
-							//TODO neuer kontostand wär schnaffte
+							updateBalance(data.balance);
 						} else {
 							selected_item.addClass("failure");
 						}