diff --git a/wp-admin/theme-install.php b/wp-admin/theme-install.php
index 7100bd9a9..f4b630197 100644
--- a/wp-admin/theme-install.php
+++ b/wp-admin/theme-install.php
@@ -6,6 +6,9 @@
  * @subpackage Administration
  */
 
+if ( isset( $_GET['tab'] ) && ( 'theme-information' == $_GET['tab'] ) )
+	define( 'IFRAME_REQUEST', true );
+	
 /** WordPress Administration Bootstrap */
 require_once('./admin.php');