--- bitlbee-3.5/init/bitlbee.service.in
+++ bitlbee-3.5/init/bitlbee.service.in
@@ -3,6 +3,7 @@
 
 [Service]
 ExecStart=@sbindir@bitlbee -F -n
+User=bitlbee
 KillMode=process
 
 [Install]