Index: branches/5.0.x/core/admin_templates/js/script.js
===================================================================
diff -u -r12117 -r12230
--- branches/5.0.x/core/admin_templates/js/script.js	(.../script.js)	(revision 12117)
+++ branches/5.0.x/core/admin_templates/js/script.js	(.../script.js)	(revision 12230)
@@ -850,7 +850,7 @@
 	$window.top.document.title = (main_title.length ? main_title + ' - ' : '') + $title;
 
 	if ($modal_windows) {
-		$window.TB.setWindowTitle($title);
+		$window.TB.setWindowTitle('');
 	}
 }