diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index 40360c9bbd0..88a0fc30488 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -1201,7 +1201,7 @@ class Product extends CommonObject
                 }
 
                 //We also check if it is a child product
-                if (!$error && ($prodcomb->fetchByFkProductChild($id) > 0) && ($prodcomb->delete($user) < 0)) {
+                if (!$error && ($prodcomb->fetchByFkProductChild($this->id) > 0) && ($prodcomb->delete($user) < 0)) {
                     $error++;
                     $this->errors[] = 'Error deleting child combination';
                 }