diff --git a/application/themehandler.class.inc.php b/application/themehandler.class.inc.php
index e509875fd..8168db206 100644
--- a/application/themehandler.class.inc.php
+++ b/application/themehandler.class.inc.php
@@ -808,7 +808,7 @@ CSS;
 	 * Replaces last occurrence of the string
 	 * @return string|string[]
 	 */
-	static function ReplaceLastOccurrence($sSearch, $sReplace, $sSubject)
+	public static function ReplaceLastOccurrence($sSearch, $sReplace, $sSubject)
 	{
 		$iPos = strrpos($sSubject, $sSearch);