diff --git a/demos/form/form.php b/demos/form/form.php
index 25c27402d0..02954aa762 100644
--- a/demos/form/form.php
+++ b/demos/form/form.php
@@ -38,6 +38,7 @@
 Header::addTo($tab, ['Very simple form']);
 
 $form = Form::addTo($tab);
+
 $form->addControl('email');
 $form->onSubmit(function (Form $form) {
     // implement subscribe here
@@ -56,13 +57,16 @@
 $group->addControl('surname');
 $group->addControl('gender', [Form\Control\Dropdown::class, 'values' => ['Female', 'Male']]);
 
+$accordionLayout = $form->layout->addSubLayout([\Atk4\Ui\Form\Layout\Section\Accordion::class]);
+$details = $accordionLayout->addSection('Validating Field in Accordion');
+
 // testing 0 value
 $values = [0 => 'noob', 1 => 'pro', 2 => 'dev'];
 $form->addControl('description', [Form\Control\Textarea::class])->set(0);
 $form->addControl('no_description', [Form\Control\Textarea::class])->set(null);
 $form->addControl('status_optional', [Form\Control\Dropdown::class, 'values' => $values]);
-$form->addControl('status_string_not-nullable', [Form\Control\Dropdown::class], ['type' => 'string', 'values' => $values, 'nullable' => false]);
-$form->addControl('status_integer_not-nullable', [Form\Control\Dropdown::class], ['type' => 'integer', 'values' => $values, 'nullable' => false]);
+$details->addControl('status_string_not-nullable', [Form\Control\Dropdown::class], ['type' => 'string', 'values' => $values, 'nullable' => false]);
+$details->addControl('status_integer_not-nullable', [Form\Control\Dropdown::class], ['type' => 'integer', 'values' => $values, 'nullable' => false]);
 $form->addControl('status_string_required', [Form\Control\Dropdown::class], ['type' => 'string', 'values' => $values, 'required' => true]);
 $form->addControl('status_integer_required', [Form\Control\Dropdown::class], ['type' => 'integer', 'values' => $values, 'required' => true]);
 
diff --git a/src/Form.php b/src/Form.php
index 248dc88618..f4b84087aa 100644
--- a/src/Form.php
+++ b/src/Form.php
@@ -258,7 +258,14 @@ public function onSubmit(\Closure $callback)
                 return $response;
             } catch (ValidationException $e) {
                 $response = [];
+                $openFirstSectionOnError = false;
+
                 foreach ($e->errors as $field => $error) {
+                    if (!$openFirstSectionOnError && $this->getControl($field)->getOwner()->getOwner() instanceof \Atk4\Ui\AccordionSection) {
+                        $response[] = $this->getControl($field)->getOwner()->getOwner()->getOwner()->jsOpen($this->getControl($field)->getOwner()->getOwner());
+                        $openFirstSectionOnError = true;
+                    }
+
                     $response[] = $this->error($field, $error);
                 }