diff --git a/wp-admin/admin-functions.php b/wp-admin/admin-functions.php
index 3eb3d5cd1..e6f549ff1 100644
--- a/wp-admin/admin-functions.php
+++ b/wp-admin/admin-functions.php
@@ -208,7 +208,7 @@ function has_meta($postid) {
 	return $wpdb->get_results("
 		SELECT meta_key, meta_value, meta_id, post_id
 		FROM $tablepostmeta
-		WHERE post_id = $postid
+		WHERE post_id = '$postid'
 		ORDER BY meta_key,meta_id",ARRAY_A);
 
 }