diff --git a/wp-admin/includes/ajax-actions.php b/wp-admin/includes/ajax-actions.php
index e03ffdc914..50c7b58a81 100644
--- a/wp-admin/includes/ajax-actions.php
+++ b/wp-admin/includes/ajax-actions.php
@@ -1839,10 +1839,10 @@ function wp_ajax_save_attachment() {
 	$changes = $_REQUEST['changes'];
 	$args    = array();
 
-	if ( $changes['title'] )
+	if ( ! empty( $changes['title'] ) )
 		$args['post_title'] = $changes['title'];
 
-	if ( $changes['caption'] )
+	if ( ! empty( $changes['caption'] ) )
 		$args['post_excerpt'] = $changes['caption'];
 
 	if ( $args )