diff --git a/htdocs/product.class.php b/htdocs/product.class.php
index 0c00f3b0f69..eaa787261e5 100644
--- a/htdocs/product.class.php
+++ b/htdocs/product.class.php
@@ -206,7 +206,7 @@ class Product extends CommonObject
 					$sql.= "fk_user_author, fk_product_type, price, price_ttc, price_base_type, canvas)";
 					$sql.= " VALUES (now(), ";
 					if ($this->ref) $sql.= "'".$this->ref."', ";
-					if ($this->libelle) $sql.= "'".$this->libelle."', ";
+					if ($this->libelle) $sql.= "'".addslashes($this->libelle)."', ";
 					$sql.= $user->id.",";
 					$sql.= " ".$this->type.",";
 					$sql.= ($price_ht?price2num($price_ht):"null").",";