diff --git a/dfall_ws/src/dfall_pkg/launch/coordinator.launch b/dfall_ws/src/dfall_pkg/launch/coordinator.launch
index c9e7e15414acb8efb1d0361afd4768eb2f8e2ae1..b05e5b610ac22d23d1598a4417e7bf049cb1292f 100755
--- a/dfall_ws/src/dfall_pkg/launch/coordinator.launch
+++ b/dfall_ws/src/dfall_pkg/launch/coordinator.launch
@@ -12,7 +12,7 @@
 	<!-- Example of how to specify the coordID from command line -->
 	<!-- roslaunch dfall_pkg coordID:=001 -->
 
-	<group ns="coord$(arg coordID)">
+	<group ns="$(eval 'agent' + str(coordID).zfill(3))">
 
 		<!-- COORDINATOR GUI -->
 		<group if="$(arg withGUI)">