diff --git a/htdocs/theme/md/style.css.php b/htdocs/theme/md/style.css.php
index a294ddf4b86..cebdaad8164 100644
--- a/htdocs/theme/md/style.css.php
+++ b/htdocs/theme/md/style.css.php
@@ -1824,7 +1824,7 @@ foreach($mainmenuusedarray as $val)
 	    else
 	    {
 	        print "/* A mainmenu entry was found but img file ".$val.".png not found (check /".$val."/img/".$val.".png), so we use a generic one */\n";
-	        $url=dol_buildpath($path.'/theme/'.$theme.'/img/menus/generic'.(min($generic,4))."_over.png", 1);
+	        $url=dol_buildpath($path.'/theme/'.$theme.'/img/menus/generic'.(min($generic, 4))."_over.png", 1);
 	        print "div.mainmenu.".$val." {\n";
 	        print "	background-image: url(".$url.");\n";
 	        print "}\n";