diff --git a/app/code/Magento/Checkout/view/frontend/web/js/model/cart/totals-processor/default.js b/app/code/Magento/Checkout/view/frontend/web/js/model/cart/totals-processor/default.js
index e269462047748..8aae2e6a11cbf 100644
--- a/app/code/Magento/Checkout/view/frontend/web/js/model/cart/totals-processor/default.js
+++ b/app/code/Magento/Checkout/view/frontend/web/js/model/cart/totals-processor/default.js
@@ -61,6 +61,8 @@ define([
         }).always(function () {
             // Stop loader for totals block
             totalsService.isLoading(false);
+            // Check for new session messages
+            customerData.reload('messages');
         });
     };
 
diff --git a/dev/tests/js/jasmine/tests/app/code/Magento/Checkout/frontend/js/model/cart/totals-processor/default.test.js b/dev/tests/js/jasmine/tests/app/code/Magento/Checkout/frontend/js/model/cart/totals-processor/default.test.js
index 44f06279dcbef..bf28eb8f8f62f 100644
--- a/dev/tests/js/jasmine/tests/app/code/Magento/Checkout/frontend/js/model/cart/totals-processor/default.test.js
+++ b/dev/tests/js/jasmine/tests/app/code/Magento/Checkout/frontend/js/model/cart/totals-processor/default.test.js
@@ -72,6 +72,7 @@ define([
             'Magento_Customer/js/customer-data': {
                 get: function () {
                 },
+                reload: jasmine.createSpy(),
                 set: jasmine.createSpy()
             }
         },
@@ -124,6 +125,7 @@ define([
             expect(mocks['Magento_Checkout/js/model/totals'].isLoading.calls.argsFor(0)[0]).toBe(true);
             expect(mocks['Magento_Checkout/js/model/totals'].isLoading.calls.argsFor(1)[0]).toBe(false);
             expect(mocks['mage/storage'].post).toHaveBeenCalled();
+            expect(mocks['Magento_Customer/js/customer-data'].reload).toHaveBeenCalledWith('messages');
             expect(mocks['Magento_Checkout/js/model/cart/cache'].get).not.toHaveBeenCalled();
             expect(mocks['Magento_Checkout/js/model/cart/cache'].set).toHaveBeenCalledWith('cart-data', data);
         });
@@ -143,6 +145,7 @@ define([
             expect(mocks['Magento_Checkout/js/model/totals'].isLoading.calls.argsFor(0)[0]).toBe(true);
             expect(mocks['Magento_Checkout/js/model/totals'].isLoading.calls.argsFor(1)[0]).toBe(false);
             expect(mocks['mage/storage'].post).toHaveBeenCalled();
+            expect(mocks['Magento_Customer/js/customer-data'].reload).toHaveBeenCalledWith('messages');
             expect(mocks['Magento_Checkout/js/model/cart/cache'].get).not.toHaveBeenCalled();
             expect(mocks['Magento_Checkout/js/model/error-processor'].process).toHaveBeenCalledWith('Error Message');
         });