diff --git a/dfall_ws/src/dfall_pkg/launch/Config.sh b/dfall_ws/src/dfall_pkg/launch/Config.sh
index 98cd6dfe54fd3a4fcc69b26e8486aca8da6ed003..028d739f3f049ffe9266b537789a09a4ff504bb5 100755
--- a/dfall_ws/src/dfall_pkg/launch/Config.sh
+++ b/dfall_ws/src/dfall_pkg/launch/Config.sh
@@ -1,7 +1,7 @@
 # TO RUN THE SYSTEM FULLY ON THE LOCAL COMPUTER:
-export ROS_MASTER_URI=http://localhost:11311
+#export ROS_MASTER_URI=http://localhost:11311
 # TO RUN THE SYSTEM ON A DEFAULT CONFIGURATION OF THE NETWROK:
-#export ROS_MASTER_URI=http://teacher:11311
+export ROS_MASTER_URI=http://teacher:11311
 # OTHER NECESSARY ENVIRONMENT VARIABLES:
 export ROS_IP=$(hostname -I | awk '{print $1;}')
 export DFALL_DEFAULT_AGENT_ID=$(cat /etc/dfall_default_agent_id)