diff --git a/buttons.service b/buttons.service
index ad94eee..1c601bb 100644
--- a/buttons.service
+++ b/buttons.service
@@ -4,6 +4,8 @@ After=multi-user.target
 
 [Service]
 Type=idle
+User=pi
+Group=gpio
 WorkingDirectory=/home/pi/onsetswitch
 ExecStart=/usr/bin/python3 /home/pi/onsetswitch/buttond.py