diff --git a/src/operations/category-chart.component.ts b/src/operations/category-chart.component.ts
index f07bec8..a90c637 100644
--- a/src/operations/category-chart.component.ts
+++ b/src/operations/category-chart.component.ts
@@ -33,17 +33,18 @@ module.exports = angular.module('categoryChartModule', [
         template: '<div></div>',
         bindings: {
             minDate: '<',
-            maxDate: '<'
+            maxDate: '<',
+            account: '<'
         },
-        controller: function(accountIdService, $element, Categories, Incomes) {
+        controller: function($element, Categories, Incomes) {
             var vm = this;
 
-            vm.loadData = function() {
-                Categories.query({
-                    id: accountIdService.get(),
-                    begin: vm.minDate ? moment(vm.minDate).format('YYYY-MM-DD') : null,
-                    end: vm.maxDate ? moment(vm.maxDate).format('YYYY-MM-DD') : null
-                }, function(results) {
+            vm.loadData = function(account: Account) {
+                categoryService.query(
+                    accountIdService.get(),
+                    vm.minDate ? moment(vm.minDate).format('YYYY-MM-DD') : null,
+                    vm.maxDate ? moment(vm.maxDate).format('YYYY-MM-DD') : null
+                ).subscribe((results) => {
                     var expenses=[],
                         revenues=[],
                         colors={},
@@ -107,14 +108,13 @@ module.exports = angular.module('categoryChartModule', [
                         show: false
                     }
                 });
-
-                //vm.loadData();
             };
 
-            vm.$onChanges = function() {
-                vm.loadData();
+            vm.$onChanges = function(changes) {
+                if('account' in changes && changes.account.currentValue) {
+                    vm.loadData(changes.account.currentValue);
+                }
             };
-
         }
     })
 
diff --git a/src/operations/operations.html b/src/operations/operations.html
index a53afa7..0fca7d7 100644
--- a/src/operations/operations.html
+++ b/src/operations/operations.html
@@ -24,7 +24,8 @@
     <div class="col-md-3">
       <category-chart
         min-date="operationsCtrl.minDate"
-        max-date="operationsCtrl.maxDate"/>
+        max-date="operationsCtrl.maxDate"
+        account="operationsCtrl.account"/>
     </div>
   </div>