diff --git a/lib/timeline/component/LineGraph.js b/lib/timeline/component/LineGraph.js
index e5d502ac..892c8171 100644
--- a/lib/timeline/component/LineGraph.js
+++ b/lib/timeline/component/LineGraph.js
@@ -240,6 +240,11 @@ LineGraph.prototype.setOptions = function(options) {
       this.groups[UNGROUPED].setOptions(options);
     }
   }
+
+  // this is used to redraw the graph if the visibility of the groups is changed.
+  if (this.dom.frame) {
+    this.redraw(true);
+  }
 };
 
 /**