diff --git a/start_tmux_session.sh b/start_tmux_session.sh
index 95cc14fc..25ef0a90 100755
--- a/start_tmux_session.sh
+++ b/start_tmux_session.sh
@@ -18,6 +18,7 @@ tmux new-session -d -s $SESSION
 tmux rename-window -t 0 'Main'
 tmux send-keys -t 'Main' "source ./bec_venv/bin/activate; cd ./scan_server; python launch.py --config $CONFIG_FILE" C-b-m
 
+tmux split-window -h
 tmux split-window -h
 tmux split-window -h
 tmux select-layout even-horizontal
@@ -28,6 +29,11 @@ tmux send-keys -t 'Main' "source ./bec_venv/bin/activate; cd ./device_server; py
 tmux select-pane -t 2
 tmux send-keys -t 'Main' "source ./bec_venv/bin/activate; cd ./scan_bundler; python launch.py --config $CONFIG_FILE" C-b-m
 
+tmux select-pane -t 3
+tmux send-keys -t 'Main' "source ./bec_venv/bin/activate; cd ./file_writer; python launch.py --config $CONFIG_FILE" C-b-m
+
+tmux set -g mode-mouse on
+
 #tmux send-keys -t 'Main' C-b-% C-b-m
 
 #tmux new-window -t $SESSION:1 -n 'OPAAS'