diff --git a/modules/claim/front/descriptor/index.spec.js b/modules/claim/front/descriptor/index.spec.js
index 53fa289e0..a64d5ecc1 100644
--- a/modules/claim/front/descriptor/index.spec.js
+++ b/modules/claim/front/descriptor/index.spec.js
@@ -22,7 +22,7 @@ describe('Item Component vnClaimDescriptor', () => {
             };
             const serializedParams = $httpParamSerializer(params);
             let expectedPath = `api/report/claim-pickup-order?${serializedParams}`;
-            jest.spyOn(window, 'open');
+            jest.spyOn(window, 'open').mockReturnThis();
             controller.showPickupOrder();
 
             expect(window.open).toHaveBeenCalledWith(expectedPath);
diff --git a/modules/client/front/balance/index/index.spec.js b/modules/client/front/balance/index/index.spec.js
index 769164def..265c3176b 100644
--- a/modules/client/front/balance/index/index.spec.js
+++ b/modules/client/front/balance/index/index.spec.js
@@ -31,7 +31,7 @@ describe('Client', () => {
             it('should apply the filters on he models and get the client balance', () => {
                 controller._companyId = 442;
                 controller.$stateParams.id = 101;
-                jest.spyOn(controller, 'getBalances');
+                jest.spyOn(controller, 'getBalances').mockReturnThis();
                 jest.spyOn(controller.$.model, 'applyFilter').mockReturnValue(Promise.resolve());
                 jest.spyOn(controller.$.riskModel, 'applyFilter').mockReturnValue(Promise.resolve());
 
diff --git a/modules/entry/front/descriptor/index.spec.js b/modules/entry/front/descriptor/index.spec.js
index 69472eae1..f73604d51 100644
--- a/modules/entry/front/descriptor/index.spec.js
+++ b/modules/entry/front/descriptor/index.spec.js
@@ -26,7 +26,7 @@ describe('Entry Component vnEntryDescriptor', () => {
             };
             const serializedParams = $httpParamSerializer(params);
             let expectedPath = `api/report/entry-order?${serializedParams}`;
-            jest.spyOn(window, 'open');
+            jest.spyOn(window, 'open').mockReturnThis();
             controller.showEntryReport();
 
             expect(window.open).toHaveBeenCalledWith(expectedPath);
diff --git a/modules/route/front/tickets/index.spec.js b/modules/route/front/tickets/index.spec.js
index d07aa9690..e9278d031 100644
--- a/modules/route/front/tickets/index.spec.js
+++ b/modules/route/front/tickets/index.spec.js
@@ -119,7 +119,7 @@ describe('Route', () => {
 
     describe('goToBuscaman()', () => {
         it('should open buscaman with the given arguments', () => {
-            jest.spyOn(window, 'open');
+            jest.spyOn(window, 'open').mockReturnThis();
             const expectedUrl = 'http://gps.buscalia.com/usuario/localizar.aspx?bmi=true&addr=46460 Av Espioca 100+to:n19 London my street';
             controller.route = {vehicleFk: 1};
             const url = `Routes/${controller.route.vehicleFk}/getDeliveryPoint`;
diff --git a/modules/ticket/front/descriptor/index.spec.js b/modules/ticket/front/descriptor/index.spec.js
index 21b4fc0eb..645a9fcf1 100644
--- a/modules/ticket/front/descriptor/index.spec.js
+++ b/modules/ticket/front/descriptor/index.spec.js
@@ -90,7 +90,7 @@ describe('Ticket Component vnTicketDescriptor', () => {
             };
             const serializedParams = $httpParamSerializer(params);
             let expectedPath = `api/report/delivery-note?${serializedParams}`;
-            jest.spyOn(window, 'open');
+            jest.spyOn(window, 'open').mockReturnThis();
             controller.showDeliveryNote();
 
             expect(window.open).toHaveBeenCalledWith(expectedPath);