diff --git a/lib/timeline/Timeline.js b/lib/timeline/Timeline.js
index 301beadb..6cc4b068 100644
--- a/lib/timeline/Timeline.js
+++ b/lib/timeline/Timeline.js
@@ -581,7 +581,7 @@ Timeline.prototype.toggleRollingMode = function () {
     this.range.stopRolling();
   } else {
     if (this.options.rollingMode == undefined) {
-      this.setOptions(options)
+      this.setOptions(this.options)
     }
     this.range.startRolling();
   }