diff --git a/e107_core/shortcodes/single/stylesheet.sc b/e107_core/shortcodes/single/stylesheet.sc
index 529d1bc18..04f741e02 100644
--- a/e107_core/shortcodes/single/stylesheet.sc
+++ b/e107_core/shortcodes/single/stylesheet.sc
@@ -1,5 +1,7 @@
 // $Id$
 
+global $THEMES_DIRECTORY;
+
 $css = file_get_contents(THEME."style.css");
 $search = array("url(images","url('images");
 $replace[0] = "url(".SITEURL.$THEMES_DIRECTORY.$pref['sitetheme']."/images";