diff --git a/lib/bookmarks.php b/lib/bookmarks.php
index e843b1f9..11f7ca0a 100644
--- a/lib/bookmarks.php
+++ b/lib/bookmarks.php
@@ -383,7 +383,7 @@ class OC_Bookmarks_Bookmarks{
 		if ($dbtype === 'mysql') {
 			$sql .= 'from dual ';
 		}
-		$sql .= 'where not exists(select * from oc_bookmarks_tags where bookmark_id = ? and tag = ?)';
+		$sql .= 'where not exists(select * from `*PREFIX*bookmarks_tags` where `bookmark_id` = ? and `tag` = ?)';
 
 		$query = OCP\DB::prepare($sql);
 		foreach ($tags as $tag) {