diff --git a/src/nanosaur/robot.py b/src/nanosaur/robot.py
index 9a38cde..be5d0e8 100644
--- a/src/nanosaur/robot.py
+++ b/src/nanosaur/robot.py
@@ -173,7 +173,7 @@ def start_robot_simulation(params):
     try:
         # Combine sourcing the bash file with running the command
         process = subprocess.Popen(
-            f"source {bash_file} && {command} namespace:={robot.name}",
+            f"source {bash_file} && ROS_DOMAIN_ID={robot.domain_id} {command} namespace:={robot.name}",
             shell=True,
             executable="/bin/bash",
             stdout=subprocess.PIPE,