diff --git a/templates/settings/admin-form.php b/templates/settings/admin-form.php
index 435cbbf..af66d35 100644
--- a/templates/settings/admin-form.php
+++ b/templates/settings/admin-form.php
@@ -326,7 +326,7 @@ $choicesSizes = [
                     <?php p($l->t('Icon')); ?>
                 </div>
                 <div class="side-menu-setting-form side-menu-setting-form-long">
-                    <select name="dark-opener" class="side-menu-setting">
+                    <select name="dark-mode-opener" class="side-menu-setting">
                         <?php foreach ($choices as $label => $value): ?>
                             <option value="<?php echo $value ?>" <?php if ($value === $_['dark-mode-opener']): ?>selected<?php endif; ?>>
                                 <?php echo $l->t($label);  ?>