diff --git a/classes/SpecificPriceRule.php b/classes/SpecificPriceRule.php
index b0312a4fcbb4b..65491e3121c88 100644
--- a/classes/SpecificPriceRule.php
+++ b/classes/SpecificPriceRule.php
@@ -319,7 +319,7 @@ public static function applyRuleToProduct($id_rule, $id_product, $id_product_att
             (int) $rule->from_quantity,
             (string) $rule->from,
             (string) $rule->to,
-            (int) $rule->id
+            $rule->id != 0
         );
 
         $specific_price = new SpecificPrice($idSpecificPrice);