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 e09ac2d92b..22e396dbec 100644
--- a/src/blenderbim/blenderbim/bim/data/webui/static/js/gantt.js
+++ b/src/blenderbim/blenderbim/bim/data/webui/static/js/gantt.js
@@ -58,12 +58,13 @@ function handleBlenderDisconnect(blenderId) {
 // Function to handle 'gantt_data' event
 function handleGanttData(data) {
   const blenderId = data["blenderId"];
-  const ganttTasks = data["data"]["tasks"];
-  // const ganttWorkSched = data["data"]["schedule"];
-  const ganttWorkSched = {};
-  const filename = data["data"]["IFC_File"];
+
   console.log(data);
-  console.log(ganttTasks);
+
+  const filename = data["data"]["IFC_File"];
+  const ganttTasks = data["data"]["gantt_data"]["tasks"];
+  // const ganttWorkSched = data["data"]["gantt_data"]["work_schedule"];
+  const ganttWorkSched = {};
 
   if (connectedClients.hasOwnProperty(blenderId)) {
     if (!connectedClients[blenderId].shown) {
diff --git a/src/blenderbim/blenderbim/tool/sequence.py b/src/blenderbim/blenderbim/tool/sequence.py
index 8cd078710c..14caf3b7dd 100644
--- a/src/blenderbim/blenderbim/tool/sequence.py
+++ b/src/blenderbim/blenderbim/tool/sequence.py
@@ -1544,13 +1544,8 @@ class Sequence(blenderbim.core.tool.Sequence):
     def generate_gantt_browser_chart(
         cls, task_json: list[dict[str, Any]], work_schedule: ifcopenshell.entity_instance
     ) -> None:
-        with open(os.path.join(bpy.context.scene.BIMProperties.data_dir, "gantt", "index.html"), "w") as f:
-            with open(os.path.join(bpy.context.scene.BIMProperties.data_dir, "gantt", "index.mustache"), "r") as t:
-                task_b64 = base64.b64encode(bytes(json.dumps(task_json), "utf-8")).decode("utf-8")
-                f.write(
-                    pystache.render(t.read(), {"json_data": task_b64, "data": json.dumps(work_schedule.get_info())})
-                )
-        webbrowser.open("file://" + os.path.join(bpy.context.scene.BIMProperties.data_dir, "gantt", "index.html"))
+        gantt_data = {"tasks": task_json, "word_schedule": json.dumps(work_schedule.get_info(recursive=True))}
+        tool.Web.send_webui_data(extra_data=gantt_data, extra_data_key="gantt_data", event="gantt_data")
 
     @classmethod
     def is_filter_by_active_schedule(cls) -> bool: