diff --git a/controllers/front/ProductController.php b/controllers/front/ProductController.php
index b29b7e7cc..932cc075b 100644
--- a/controllers/front/ProductController.php
+++ b/controllers/front/ProductController.php
@@ -509,7 +509,7 @@ class ProductControllerCore extends FrontController
 
 	protected function transformDescriptionWithImg($desc)
 	{
-		$reg = '/\[img-([0-9]+)-(left|right)-([a-z]+)\]/';
+		$reg = '/\[img\-([0-9]+)\-(left|right)\-([a-zA-Z0-9-_]+)\]/';
 		while (preg_match($reg, $desc, $matches))
 		{
 			$link_lmg = $this->context->link->getImageLink($this->product->link_rewrite, $this->product->id.'-'.$matches[1], $matches[3]);