diff --git a/modules/backend/models/BrandSetting.php b/modules/backend/models/BrandSetting.php
index 10821fd0e..bdd20bd22 100644
--- a/modules/backend/models/BrandSetting.php
+++ b/modules/backend/models/BrandSetting.php
@@ -80,6 +80,12 @@ class BrandSetting extends Model
         $this->secondary_color = $config->get('brand.secondaryColor', self::SECONDARY_COLOR);
         $this->accent_color = $config->get('brand.accentColor', self::ACCENT_COLOR);
         $this->menu_mode = $config->get('brand.menuMode', self::INLINE_MENU);
+
+        // Attempt to load custom CSS
+        $brandCssPath = File::symbolizePath(Config::get('brand.customLessPath'));
+        if ($brandCssPath && File::exists($brandCssPath)) {
+            $this->custom_css = File::get($brandCssPath);
+        }
     }
 
     public function afterSave()