diff --git a/code/LeftAndMain.php b/code/LeftAndMain.php
index fa9d8cbd..16ed83a8 100644
--- a/code/LeftAndMain.php
+++ b/code/LeftAndMain.php
@@ -181,7 +181,7 @@ class LeftAndMain extends Controller {
 		Requirements::javascript(THIRDPARTY_DIR . '/loader.js');
 		Requirements::javascript(THIRDPARTY_DIR . '/hover.js');
 		Requirements::javascript(THIRDPARTY_DIR . '/layout_helpers.js');
-		Requirements::javascript(SAPPHIRE_DIR . "/javascript/i18n.js");
+		Requirements::add_i18n_javascript(SAPPHIRE_DIR . '/javascript/lang');
 		
 		Requirements::javascript(THIRDPARTY_DIR . '/scriptaculous/effects.js');
 		Requirements::javascript(THIRDPARTY_DIR . '/scriptaculous/dragdrop.js');
diff --git a/code/SecurityAdmin.php b/code/SecurityAdmin.php
index 9e9cad83..3abbfba4 100644
--- a/code/SecurityAdmin.php
+++ b/code/SecurityAdmin.php
@@ -34,6 +34,7 @@ class SecurityAdmin extends LeftAndMain implements PermissionProvider {
 		Requirements::javascript(THIRDPARTY_DIR . "/scriptaculous/controls.js");
 
 		// needed for MemberTableField (Requirements not determined before Ajax-Call)
+		Requirements::add_i18n_javascript(SAPPHIRE_DIR . '/javascript/lang');
 		Requirements::javascript(SAPPHIRE_DIR . "/javascript/TableListField.js");
 		Requirements::javascript(SAPPHIRE_DIR . "/javascript/TableField.js");
 		Requirements::javascript(SAPPHIRE_DIR . "/javascript/ComplexTableField.js");