diff --git a/controllers/admin/AdminStatsController.php b/controllers/admin/AdminStatsController.php
index 7f844be58..42e26ab47 100644
--- a/controllers/admin/AdminStatsController.php
+++ b/controllers/admin/AdminStatsController.php
@@ -255,7 +255,7 @@ class AdminStatsControllerCore extends AdminStatsTabController
         } elseif ($granularity == 'month') {
             $sales = array();
             if ($result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS(
-                'SELECT LEFT(`invoice_date`, 7) AS date, SUM(total_paid_tax_excl / o.`conversion_rate`) AS sales
+                'SELECT LEFT(`invoice_date`, 7) AS date, SUM(total_paid_tax_excl / o.conversion_rate) AS sales
                 FROM `'._DB_PREFIX_.'orders` o
                 LEFT JOIN `'._DB_PREFIX_.'order_state` os ON o.current_state = os.id_order_state
                 WHERE os.logable = 1'. (($date_from && $date_to) ? ' AND `invoice_date` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59"' : '').'
@@ -466,7 +466,7 @@ class AdminStatsControllerCore extends AdminStatsTabController
 			LEFT JOIN (
 				SELECT pr.`id_product`,
 					IFNULL(SUM(cp.`product_quantity`), 0) AS totalQuantitySold,
-					IFNULL(SUM(cp.`product_price` * cp.`product_quantity`), 0) / o.`conversion_rate` AS totalPriceSold
+					IFNULL(SUM(cp.`product_price` * cp.`product_quantity`), 0) / o.conversion_rate AS totalPriceSold
 				FROM `'._DB_PREFIX_.'product` pr
 				LEFT OUTER JOIN `'._DB_PREFIX_.'order_detail` cp ON pr.`id_product` = cp.`product_id`
 				LEFT JOIN `'._DB_PREFIX_.'orders` o ON o.`id_order` = cp.`id_order`
@@ -712,8 +712,8 @@ class AdminStatsControllerCore extends AdminStatsTabController
         $orders = Db::getInstance()->ExecuteS('
             SELECT
                 LEFT(`invoice_date`, 10) as date,
-                total_paid_tax_incl / o.`conversion_rate` as total_paid_tax_incl,
-                total_shipping_tax_excl / o.`conversion_rate` as total_shipping_tax_excl,
+                total_paid_tax_incl / o.conversion_rate as total_paid_tax_incl,
+                total_shipping_tax_excl / o.conversion_rate as total_shipping_tax_excl,
                 o.module,
                 ad.id_country,
                 o.id_currency,
diff --git a/modules/hotelreservationsystem/classes/HotelBookingDetail.php b/modules/hotelreservationsystem/classes/HotelBookingDetail.php
index 68791744d..00abbea30 100644
--- a/modules/hotelreservationsystem/classes/HotelBookingDetail.php
+++ b/modules/hotelreservationsystem/classes/HotelBookingDetail.php
@@ -4454,7 +4454,7 @@ class HotelBookingDetail extends ObjectModel
 
     /**
      * Refunded booking rows in a date range, one row per booking (requires ORDER RETURN record).
-     * A booking only appears here once it has a matching order_return_detail row.
+     * QloApps sets is_refunded=1 on all freed/refunded rooms; is_cancelled is not reliably set.
      * Refund report filters this further to refunded_amount > 0 in the caller; Cancellation report shows all rows.
      *
      * @param array $params date_from, date_to, id_hotel, id_customer, id_product, detailed_info
diff --git a/modules/statsbestvouchers/statsbestvouchers.php b/modules/statsbestvouchers/statsbestvouchers.php
index 845023eb7..e0c41cda1 100644
--- a/modules/statsbestvouchers/statsbestvouchers.php
+++ b/modules/statsbestvouchers/statsbestvouchers.php
@@ -121,7 +121,7 @@ class StatsBestVouchers extends ModuleGrid
     public function getData()
     {
         $currency = new Currency(Configuration::get('PS_CURRENCY_DEFAULT'));
-        $this->query = 'SELECT SQL_CALC_FOUND_ROWS ocr.id_cart_rule, cr.code, ocr.name, COUNT(ocr.id_cart_rule) as total, ROUND(SUM(o.total_paid_real) / o.`conversion_rate`,2) as ca
+        $this->query = 'SELECT SQL_CALC_FOUND_ROWS ocr.id_cart_rule, cr.code, ocr.name, COUNT(ocr.id_cart_rule) as total, ROUND(SUM(o.total_paid_real) / o.conversion_rate,2) as ca
 				FROM '._DB_PREFIX_.'order_cart_rule ocr
 				LEFT JOIN '._DB_PREFIX_.'orders o ON o.id_order = ocr.id_order
 				LEFT JOIN '._DB_PREFIX_.'cart_rule cr ON cr.id_cart_rule = ocr.id_cart_rule
diff --git a/modules/statsforecast/statsforecast.php b/modules/statsforecast/statsforecast.php
index c06484afb..ad7c49b31 100644
--- a/modules/statsforecast/statsforecast.php
+++ b/modules/statsforecast/statsforecast.php
@@ -716,7 +716,7 @@ class StatsForecast extends Module
 				WHERE l.active = 1';
         $languages = Db::getInstance()->executeS($sql);
         foreach ($languages as $language) {
-            $lang_values .= 'SUM(IF(o.id_lang = '.(int)$language['id_lang'].', total_paid_tax_excl / o.`conversion_rate`, 0)) as '.pSQL($language['iso_code']).',';
+            $lang_values .= 'SUM(IF(o.id_lang = '.(int)$language['id_lang'].', total_paid_tax_excl / o.conversion_rate, 0)) as '.pSQL($language['iso_code']).',';
         }
         $lang_values = rtrim($lang_values, ',');