fixed sleectedDate not updating

app/controllers/home.controller.js

             $scope.getMonday = function(d)
             {
                 d = new Date(d);
-                var day = d.getDay(), diff = d.getDate() - day + (day == 0 ? -6:1); // adjust when day is sunday
+                var day = d.getDay();
+                var diff = d.getDate() - day + (day == 0 ? -6:1);
                 d = new Date(d.setDate(diff));
                 d.setHours(0, 0, 0, 0);
                 return d;
             $scope.goToRelativeWeek = function(relativeWeek)
             {
                 $scope.selectedDate.setDate($scope.selectedDate.getDate() + (relativeWeek * 7));
+                $scope.selectedDate = new Date($scope.selectedDate);
                 $scope.loadWeeks();
             };