diff --git a/src/Symfony/Component/Form/Extension/Validator/ViolationMapper/ViolationMapper.php b/src/Symfony/Component/Form/Extension/Validator/ViolationMapper/ViolationMapper.php
index 2f4a3a6a5a..48284d8d73 100644
--- a/src/Symfony/Component/Form/Extension/Validator/ViolationMapper/ViolationMapper.php
+++ b/src/Symfony/Component/Form/Extension/Validator/ViolationMapper/ViolationMapper.php
@@ -154,7 +154,11 @@ class ViolationMapper implements ViolationMapperInterface
             $messageTemplate = $violation->getMessageTemplate();
 
             if (false !== strpos($message, '{{ label }}') || false !== strpos($messageTemplate, '{{ label }}')) {
-                $labelFormat = $scope->getConfig()->getOption('label_format');
+                $form = $scope;
+
+                do {
+                    $labelFormat = $form->getConfig()->getOption('label_format');
+                } while (null === $labelFormat && null !== $form = $form->getParent());
 
                 if (null !== $labelFormat) {
                     $label = str_replace(
@@ -180,10 +184,16 @@ class ViolationMapper implements ViolationMapperInterface
                     }
 
                     if (null !== $this->translator) {
+                        $form = $scope;
+
+                        do {
+                            $translationDomain = $form->getConfig()->getOption('translation_domain');
+                        } while (null === $translationDomain && null !== $form = $form->getParent());
+
                         $label = $this->translator->trans(
                             $label,
                             $scope->getConfig()->getOption('label_translation_parameters', []),
-                            $scope->getConfig()->getOption('translation_domain')
+                            $translationDomain
                         );
                     }
 
diff --git a/src/Symfony/Component/Form/Tests/Extension/Validator/ViolationMapper/ViolationMapperTest.php b/src/Symfony/Component/Form/Tests/Extension/Validator/ViolationMapper/ViolationMapperTest.php
index 2a8f92fb49..d636f9fe40 100644
--- a/src/Symfony/Component/Form/Tests/Extension/Validator/ViolationMapper/ViolationMapperTest.php
+++ b/src/Symfony/Component/Form/Tests/Extension/Validator/ViolationMapper/ViolationMapperTest.php
@@ -1742,6 +1742,50 @@ class ViolationMapperTest extends TestCase
         }
     }
 
+    public function testLabelFormatDefinedByParentType()
+    {
+        $form = $this->getForm('', null, null, [], false, true, [
+            'label_format' => 'form.%name%',
+        ]);
+        $child = $this->getForm('foo', 'foo');
+        $form->add($child);
+
+        $violation = new ConstraintViolation('Message "{{ label }}"', null, [], null, 'data.foo', null);
+        $this->mapper->mapViolation($violation, $form);
+
+        $errors = iterator_to_array($child->getErrors());
+
+        $this->assertCount(1, $errors, $child->getName().' should have an error, but has none');
+        $this->assertSame('Message "form.foo"', $errors[0]->getMessage());
+    }
+
+    public function testLabelPlaceholderTranslatedWithTranslationDomainDefinedByParentType()
+    {
+        $translator = $this->createMock(TranslatorInterface::class);
+        $translator->expects($this->any())
+            ->method('trans')
+            ->with('foo', [], 'domain')
+            ->willReturn('translated foo label')
+        ;
+        $this->mapper = new ViolationMapper(null, $translator);
+
+        $form = $this->getForm('', null, null, [], false, true, [
+            'translation_domain' => 'domain',
+        ]);
+        $child = $this->getForm('foo', 'foo', null, [], false, true, [
+            'label' => 'foo',
+        ]);
+        $form->add($child);
+
+        $violation = new ConstraintViolation('Message "{{ label }}"', null, [], null, 'data.foo', null);
+        $this->mapper->mapViolation($violation, $form);
+
+        $errors = iterator_to_array($child->getErrors());
+
+        $this->assertCount(1, $errors, $child->getName().' should have an error, but has none');
+        $this->assertSame('Message "translated foo label"', $errors[0]->getMessage());
+    }
+
     public function testTranslatorNotCalledWithoutLabel()
     {
         $renderer = $this->getMockBuilder(FormRenderer::class)