Index: wp-includes/script-loader.php
===================================================================
--- wp-includes/script-loader.php	(revision 16518)
+++ wp-includes/script-loader.php	(working copy)
@@ -373,7 +373,7 @@
 			'l10n_print_after' => 'try{convertEntities(wordCountL10n);}catch(e){};'
 		));
 
-		$scripts->add( 'theme-preview', "/wp-admin/js/theme$suffix.js", array( 'thickbox', 'jquery' ), '20100407' );
+		$scripts->add( 'theme', "/wp-admin/js/theme$suffix.js", array( 'thickbox', 'jquery' ), '20100407' );
 		$scripts->add_data( 'theme', 'group', 1 );
 
 		$scripts->add( 'theme-preview', "/wp-admin/js/theme-preview$suffix.js", array( 'thickbox', 'jquery' ), '20100407' );