diff --git a/htdocs/product/liste.php b/htdocs/product/liste.php
index 9622c5dcea4..3ca28efa29b 100644
--- a/htdocs/product/liste.php
+++ b/htdocs/product/liste.php
@@ -65,6 +65,9 @@ if (isset($_POST["button_removefilter_x"]))
 if (isset($_REQUEST['catid']))
 {
     $catid = $_REQUEST['catid'];
+    if (!$catid && $catid == 0)
+    {
+    	$catid = 1;
 }