diff --git a/htdocs/core/lib/security2.lib.php b/htdocs/core/lib/security2.lib.php
index a33c1b5d443..a95d7a52356 100644
--- a/htdocs/core/lib/security2.lib.php
+++ b/htdocs/core/lib/security2.lib.php
@@ -286,7 +286,8 @@ function dol_loginfunction($langs,$conf,$mysoc)
 
 	// Set jquery theme
 	$dol_loginmesg = (! empty($_SESSION["dol_loginmesg"])?$_SESSION["dol_loginmesg"]:'');
-	$favicon=DOL_URL_ROOT.'/theme/'.$conf->theme.'/img/favicon.ico';
+	$favicon=dol_buildpath('/theme/'.$conf->theme.'/img/favicon.ico',1);
+	if (! empty($conf->global->MAIN_FAVICON_URL)) $favicon=$conf->global->MAIN_FAVICON_URL;
 	$jquerytheme = 'smoothness';
 	if (! empty($conf->global->MAIN_USE_JQUERY_THEME)) $jquerytheme = $conf->global->MAIN_USE_JQUERY_THEME;
 
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index 98adfca23e0..12dbfee552d 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -959,6 +959,7 @@ function top_htmlhead($head, $title='', $disablejs=0, $disablehead=0, $arrayofjs
         print '<meta name="robots" content="noindex,nofollow">'."\n";      // Evite indexation par robots
         print '<meta name="author" content="Dolibarr Development Team">'."\n";
         $favicon=dol_buildpath('/theme/'.$conf->theme.'/img/favicon.ico',1);
+		if (! empty($conf->global->MAIN_FAVICON_URL)) $favicon=$conf->global->MAIN_FAVICON_URL;
         print '<link rel="shortcut icon" type="image/x-icon" href="'.$favicon.'"/>'."\n";
         if (empty($conf->global->MAIN_OPTIMIZEFORTEXTBROWSER)) print '<link rel="top" title="'.$langs->trans("Home").'" href="'.(DOL_URL_ROOT?DOL_URL_ROOT:'/').'">'."\n";
         if (empty($conf->global->MAIN_OPTIMIZEFORTEXTBROWSER)) print '<link rel="copyright" title="GNU General Public License" href="http://www.gnu.org/copyleft/gpl.html#SEC1">'."\n";