Index: wp-admin/includes/media.php
===================================================================
--- wp-admin/includes/media.php	(revision 1336)
+++ wp-admin/includes/media.php	(working copy)
@@ -307,7 +307,8 @@
 wp_enqueue_style( 'wp-admin' );
 wp_enqueue_style( 'colors' );
 // Check callback name for 'media'
-if ( ( is_array( $content_func ) && ! empty( $content_func[1] ) && 0 === strpos( (string) $content_func[1], 'media' ) ) || 0 === strpos( $content_func, 'media' ) )
+if ( ( is_array( $content_func ) && ! empty( $content_func[1] ) && 0 === strpos( (string) $content_func[1], 'media' ) ) || 
+	( ! is_array( $content_func ) && 0 === strpos( $content_func, 'media' ) ) )
 	wp_enqueue_style( 'media' );
 wp_enqueue_style( 'ie' );
 ?>