diff --git a/include/zgv.class.php b/include/zgv.class.php
index 6e22728a7..a225df8a2 100755
--- a/include/zgv.class.php
+++ b/include/zgv.class.php
@@ -20,6 +20,7 @@
  */
 
 require_once(dirname(__FILE__).'/basis_db.class.php');
+require_once(dirname(__FILE__).'/sprache.class.php');
 
 class zgv extends basis_db
 {