diff --git a/src/blenderbim/blenderbim/bim/data/webui/static/js/gantt.js b/src/blenderbim/blenderbim/bim/data/webui/static/js/gantt.js
index 25506526b2..82351bf745 100644
--- a/src/blenderbim/blenderbim/bim/data/webui/static/js/gantt.js
+++ b/src/blenderbim/blenderbim/bim/data/webui/static/js/gantt.js
@@ -210,6 +210,7 @@ function addGanttElement(blenderId, tasks, workSched, filename) {
 function updateGanttElement(blenderId, tasks, workSched, filename) {
   let g = connectedClients[blenderId]["gantt"];
   g.ClearTasks();
+  g.Draw();
   JSGantt.addJSONTask(g, tasks);
   g.Draw();
 }