diff --git a/components/form.rst b/components/form.rst
index 7c12ef1159e..29ae4438d3d 100644
--- a/components/form.rst
+++ b/components/form.rst
@@ -547,7 +547,7 @@ method:
 
         $form->handleRequest($request);
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             $data = $form->getData();
 
             // ... perform some action, such as saving the data to the database
@@ -573,7 +573,7 @@ method:
 
             $form->handleRequest($request);
 
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 $data = $form->getData();
 
                 // ... perform some action, such as saving the data to the database
diff --git a/controller.rst b/controller.rst
index 89242365c76..6a720c3b007 100644
--- a/controller.rst
+++ b/controller.rst
@@ -391,7 +391,7 @@ For example, imagine you're processing a :doc:`form </forms>` submission::
     {
         // ...
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             // do some sort of processing
 
             $this->addFlash(
diff --git a/controller/upload_file.rst b/controller/upload_file.rst
index 0d2686c7ae5..6206b92d953 100644
--- a/controller/upload_file.rst
+++ b/controller/upload_file.rst
@@ -297,7 +297,7 @@ Now you're ready to use this service in the controller::
     {
         // ...
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             $file = $product->getBrochure();
             $fileName = $this->get('app.brochure_uploader')->upload($file);
 
diff --git a/form/direct_submit.rst b/form/direct_submit.rst
index 46b4ebb4b1b..6b7fd2a41a8 100644
--- a/form/direct_submit.rst
+++ b/form/direct_submit.rst
@@ -22,7 +22,7 @@ submissions::
 
         $form->handleRequest($request);
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             // perform some action...
 
             return $this->redirectToRoute('task_success');
@@ -63,7 +63,7 @@ method, pass the submitted data directly to
         if ($request->isMethod('POST')) {
             $form->submit($request->request->get($form->getName()));
 
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 // perform some action...
 
                 return $this->redirectToRoute('task_success');
@@ -115,7 +115,7 @@ a convenient shortcut to the previous example::
         if ($request->isMethod('POST')) {
             $form->submit($request);
 
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 // perform some action...
 
                 return $this->redirectToRoute('task_success');
diff --git a/form/dynamic_form_modification.rst b/form/dynamic_form_modification.rst
index cacacc993e2..8595bb0c1d5 100644
--- a/form/dynamic_form_modification.rst
+++ b/form/dynamic_form_modification.rst
@@ -605,7 +605,7 @@ your application. Assume that you have a sport meetup creation controller::
             $meetup = new SportMeetup();
             $form = $this->createForm(new SportMeetupType(), $meetup);
             $form->handleRequest($request);
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 // ... save the meetup, redirect etc.
             }
 
diff --git a/form/form_collections.rst b/form/form_collections.rst
index fcabc93d049..3b04bc356d7 100644
--- a/form/form_collections.rst
+++ b/form/form_collections.rst
@@ -178,7 +178,7 @@ In your controller, you'll now initialize a new instance of ``TaskType``::
 
             $form->handleRequest($request);
 
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 // ... maybe do some form processing, like saving the Task and Tag objects
             }
 
diff --git a/form/multiple_buttons.rst b/form/multiple_buttons.rst
index 8baac65f18f..9c70458a954 100644
--- a/form/multiple_buttons.rst
+++ b/form/multiple_buttons.rst
@@ -22,7 +22,7 @@ In your controller, use the button's
 :method:`Symfony\\Component\\Form\\ClickableInterface::isClicked` method for
 querying if the "Save and add" button was clicked::
 
-    if ($form->isValid()) {
+    if ($form->isSubmitted() && $form->isValid()) {
         // ... perform some action, such as saving the task to the database
 
         $nextAction = $form->get('saveAndAdd')->isClicked()
diff --git a/form/without_class.rst b/form/without_class.rst
index 3f2e99b7851..091ca7f229c 100644
--- a/form/without_class.rst
+++ b/form/without_class.rst
@@ -27,7 +27,7 @@ an array of the submitted data. This is actually really easy::
 
         $form->handleRequest($request);
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             // data is an array with "name", "email", and "message" keys
             $data = $form->getData();
         }
diff --git a/reference/forms/types/file.rst b/reference/forms/types/file.rst
index a0beb43609a..0a9fe2e249c 100644
--- a/reference/forms/types/file.rst
+++ b/reference/forms/types/file.rst
@@ -47,7 +47,7 @@ be used to move the ``attachment`` file to a permanent location::
     {
         // ...
 
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             $someNewFilename = ...
 
             $form['attachment']->getData()->move($dir, $someNewFilename);
diff --git a/security/acl.rst b/security/acl.rst
index 29eaa5acab7..aa333f109ac 100644
--- a/security/acl.rst
+++ b/security/acl.rst
@@ -132,7 +132,7 @@ Creating an ACL and Adding an ACE
 
             // ... setup $form, and submit data
 
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 $entityManager = $this->getDoctrine()->getManager();
                 $entityManager->persist($comment);
                 $entityManager->flush();