diff --git a/htdocs/lib/functions.lib.php b/htdocs/lib/functions.lib.php
index cfd4ce7137e..c24a267d79f 100644
--- a/htdocs/lib/functions.lib.php
+++ b/htdocs/lib/functions.lib.php
@@ -1642,7 +1642,7 @@ function print_liste_field_titre($name, $file, $field, $begin="", $options="", $
 	if ($field)
 	{
 		//print " ";
-		print '<img width="2" src="/theme/common/transparent.png">';
+		print '<img width="2" src="'.DOL_URL_ROOT.'/theme/common/transparent.png">';
 		if (! $sortorder)
 		{
 			print '<a href="'.$file.'?sortfield='.$field.'&amp;sortorder=asc&amp;begin='.$begin.$options.'">'.img_down("A-Z",0).'</a>';