diff --git a/servicefiles/hamclock.service b/servicefiles/hamclock.service
index 73a7aa7..e61a44d 100644
--- a/servicefiles/hamclock.service
+++ b/servicefiles/hamclock.service
@@ -6,7 +6,7 @@ After=network.target
 Type=simple
 Environment=HOME=%h
 WorkingDirectory=%h/.local/share/hamclock
-ExecStart=%h/.local/bin/hamclock
+ExecStart=%h/.local/bin/hamclock -b hamclock:80
 Restart=on-failure
 RestartSec=5