diff --git a/modules/backend/widgets/Form.php b/modules/backend/widgets/Form.php
index efda2e017..e7028c501 100644
--- a/modules/backend/widgets/Form.php
+++ b/modules/backend/widgets/Form.php
@@ -465,8 +465,9 @@ class Form extends WidgetBase
     {
         $target  = post('target');
         $tabName = post('name');
+        $tabSection = post('section');
 
-        $fields = array_get(optional($this->getTab('primary'))->fields, $tabName);
+        $fields = array_get(optional($this->getTab($tabSection))->fields, $tabName);
 
         return [
             $target => $this->makePartial('form_fields', ['fields' => $fields]),
diff --git a/modules/backend/widgets/form/assets/js/october.form.js b/modules/backend/widgets/form/assets/js/october.form.js
index 7b82f5759..9ad3801b6 100644
--- a/modules/backend/widgets/form/assets/js/october.form.js
+++ b/modules/backend/widgets/form/assets/js/october.form.js
@@ -172,6 +172,7 @@
                 data: {
                     target: $el.data('target'),
                     name: $el.data('tab-name'),
+                    section: $el.data('tab-section'),
                 },
                 success: function(data) {
                     this.success(data)
diff --git a/modules/backend/widgets/form/partials/_form_tabs.htm b/modules/backend/widgets/form/partials/_form_tabs.htm
index 83d1fa25f..6f1adbe66 100644
--- a/modules/backend/widgets/form/partials/_form_tabs.htm
+++ b/modules/backend/widgets/form/partials/_form_tabs.htm
@@ -18,7 +18,7 @@
                 $lazy = in_array($name, $tabs->lazy);
             ?>
             <li class="<?= ($index++ === 0) ? 'active' : '' ?> <?= $lazy ? 'tab-lazy' : '' ?>">
-                <a href="#<?= $type . 'tab-' . $index ?>" data-tab-name="<?= e($name) ?>">
+                <a href="#<?= $type . 'tab-' . $index ?>" data-tab-name="<?= e($name) ?>" data-tab-section="<?= $type ?>">
                     <span class="title">
                         <span>
                             <?php if ($tabs->getIcon($name)): ?><span class="<?= $tabs->getIcon($name) ?>"></span><?php endif; ?>