diff --git a/src/TestSuite/IntegrationTestCase.php b/src/TestSuite/IntegrationTestCase.php
index 610e1de6656..f231b0a93a2 100644
--- a/src/TestSuite/IntegrationTestCase.php
+++ b/src/TestSuite/IntegrationTestCase.php
@@ -452,7 +452,7 @@ protected function _sendRequest($url, $method, $data = [])
             $request = $this->_buildRequest($url, $method, $data);
             $response = $dispatcher->execute($request);
             $this->_requestSession = $request['session'];
-            if ($this->_retainFlashMessages) {
+            if ($this->_retainFlashMessages && $this->_flashMessages) {
                 $this->_requestSession->write('Flash', $this->_flashMessages);
             }
             $this->_response = $response;
diff --git a/tests/TestCase/TestSuite/IntegrationTestCaseTest.php b/tests/TestCase/TestSuite/IntegrationTestCaseTest.php
index 40ab4dac615..5e5e51eb56e 100644
--- a/tests/TestCase/TestSuite/IntegrationTestCaseTest.php
+++ b/tests/TestCase/TestSuite/IntegrationTestCaseTest.php
@@ -419,6 +419,21 @@ public function testFlashAssertionsAfterRender()
         $this->assertSession('An error message', 'Flash.flash.0.message');
     }
 
+    /**
+     * Test flash assertions stored with enableRememberFlashMessages() even if
+     * no view is rendered
+     *
+     * @return void
+     */
+    public function testFlashAssertionsWithNoRender()
+    {
+        $this->enableRetainFlashMessages();
+        $this->get('/posts/flashNoRender');
+        $this->assertRedirect();
+
+        $this->assertSession('An error message', 'Flash.flash.0.message');
+    }
+
     /**
      * Tests the failure message for assertCookieNotSet
      *
diff --git a/tests/test_app/TestApp/Controller/PostsController.php b/tests/test_app/TestApp/Controller/PostsController.php
index cb90edbf2fb..bff8c71c6e0 100644
--- a/tests/test_app/TestApp/Controller/PostsController.php
+++ b/tests/test_app/TestApp/Controller/PostsController.php
@@ -62,6 +62,17 @@ public function index($layout = 'default')
         $this->viewBuilder()->setLayout($layout);
     }
 
+    /**
+     * Sets a flash message and redirects (no rendering)
+     *
+     * @return \Cake\Network\Response
+     */
+    public function flashNoRender()
+    {
+        $this->Flash->error('An error message');
+        return $this->redirect(['action' => 'index']);
+    }
+
     /**
      * Stub get method
      *