diff --git a/testarena_app/worker.py b/testarena_app/worker.py
index 2696eb1..50ca991 100644
--- a/testarena_app/worker.py
+++ b/testarena_app/worker.py
@@ -156,13 +156,15 @@ def run_worker():
                     
                     try:
                         # Run scenario_execution.py queue_id scenario_path task_id
-                        script_path = "./TPF/scenario_execution.py"
-                        cmd = f"python3 {script_path} {queue.id} {task.scenario_path} {task.id}"
+                        # It must be executed from TPF/Sensor_hub_repo with IDF sourced
+                        script_path = os.path.abspath("./TPF/scenario_execution.py")
+                        repo_dir = os.path.abspath("./TPF/Sensor_hub_repo")
+                        cmd = f"/bin/bash -c 'source $HOME/esp/esp-idf/export.sh && python3 {script_path} {queue.id} {task.scenario_path} {task.id}'"
                         
                         task_dir = os.path.join(queue_dir, task.id)
                         os.makedirs(task_dir, exist_ok=True)
                         
-                        ret = run_command_with_logging(cmd, queue_log)
+                        ret = run_command_with_logging(cmd, queue_log, cwd=repo_dir)
                         
                         if ret == 0:
                             task.status = "Finished"