diff --git a/src/ol/replay/ibatchgroup.js b/src/ol/replay/ibatchgroup.js
index 239474a59e..ca3afa3c4d 100644
--- a/src/ol/replay/ibatchgroup.js
+++ b/src/ol/replay/ibatchgroup.js
@@ -47,6 +47,13 @@ ol.replay.IBatchGroup = function() {
 };
 
 
+/**
+ * FIXME empty description for jsdoc
+ */
+ol.replay.IBatchGroup.prototype.finish = function() {
+};
+
+
 /**
  * @param {number} zIndex Z index.
  * @param {ol.replay.BatchType} batchType Batch type.