diff --git a/franka_control/launch/franka_combined_control.launch b/franka_control/launch/franka_combined_control.launch
index bfdf67336a144b64800d5c199443eb3282dba7a0..1197f94209bdb9fb24643e29ab7e81bd245ffb01 100644
--- a/franka_control/launch/franka_combined_control.launch
+++ b/franka_control/launch/franka_combined_control.launch
@@ -17,7 +17,7 @@
 
   <!-- Optional arg to manually configure the ips of all robots, overwriting ips that are configured in hw_config_file -->
   <!-- The ips must be set as dictionary like {<arm_id_1>/robot_ip: <my_ip_1>, <arm_id_2>/robot_ip: <my_ip_2>} -->
-  <arg name="robot_ips" />
+  <arg name="robot_ips"  default="{}"/>
 
   <!-- The config file containing the parameterization for all controllers to start with this launch file -->
   <arg name="controllers_file" default="$(find franka_control)/config/default_combined_controllers.yaml" />
diff --git a/franka_example_controllers/launch/dual_arm_cartesian_impedance_example_controller.launch b/franka_example_controllers/launch/dual_arm_cartesian_impedance_example_controller.launch
index 7bdfd4c996fe253bdfa93a332e90791dc71b7c80..9dafe440f537a5e02f5c423c5730464a9e4ed84f 100644
--- a/franka_example_controllers/launch/dual_arm_cartesian_impedance_example_controller.launch
+++ b/franka_example_controllers/launch/dual_arm_cartesian_impedance_example_controller.launch
@@ -1,7 +1,9 @@
 <?xml version="1.0" ?>
 <launch>
+  <!--Be sure to pass the IPs of your pandas like robot_ips:={panda_1/robot_ip: <my_ip_1>, panda_2/robot_ip: <my_ip_2>}   -->
+  <arg name="robot_ips" />
+
   <arg name="robot_id" default="panda_dual" />
-  <arg name="robot_ips" default="{panda_1/robot_ip: robot_1, panda_2/robot_ip: robot_2}" />
   <arg name="rviz" default="true" />
   <arg name="rqt" default="true" />