diff --git a/src/operations/balance-chart.component.js b/src/operations/balance-chart.component.js
index 836f140..4185e49 100644
--- a/src/operations/balance-chart.component.js
+++ b/src/operations/balance-chart.component.js
@@ -53,6 +53,8 @@ var balanceChartModule = angular.module('balanceChartModule', [
                     ];
                 });
 
+                vm.chart.unload();
+
                 vm.chart.load({
                     rows: headers.concat(rows)
                 });
diff --git a/src/operations/category-chart.component.js b/src/operations/category-chart.component.js
index b2efdea..4e7249d 100644
--- a/src/operations/category-chart.component.js
+++ b/src/operations/category-chart.component.js
@@ -66,6 +66,8 @@ var categoryChartModule = angular.module('categoryChartModule', [
                     colors[expensesName] = expensesColor;
                 });
 
+                vm.chart.unload();
+
                 vm.chart.load({
                     columns: revenues.concat(expenses),
                     names: names,