Index: trunk/wp-admin/includes/media.php
===================================================================
--- trunk/wp-admin/includes/media.php	(revision 12798)
+++ trunk/wp-admin/includes/media.php	(working copy)
@@ -306,7 +306,8 @@
 wp_enqueue_style( 'global' );
 wp_enqueue_style( 'wp-admin' );
 wp_enqueue_style( 'colors' );
-if ( 0 === strpos( $content_func, 'media' ) )
+$callback_name = ( is_array( $content_func ) ) ? (string) $content_func[1] : (string) $content_func;
+if ( 0 === strpos( $callback_name, 'media' ) )
 	wp_enqueue_style( 'media' );
 wp_enqueue_style( 'ie' );
 ?>