diff --git a/conf/booth@.service b/conf/booth@.service
index 1ce4505..fb40ace 100644
--- a/conf/booth@.service
+++ b/conf/booth@.service
@@ -1,17 +1,17 @@
 #  This file is part of Booth.
 
 [Unit]
 Description=Booth - Ticket Manager for Pacemaker Clusters
 Documentation=man:boothd(8)
 After=network-online.target
-ConditionFileExists=/etc/booth/%i.conf
+ConditionFileNotEmpty=/etc/booth/%i.conf
+Conflicts=pacemaker.service
 
 [Install]
 Alias=boothd
 WantedBy=multi-user.target
 
 [Service]
 Type=simple
-Conflicts=pacemaker.service
 ExecStart=/usr/sbin/boothd daemon -S -c %i