diff --git a/mcp/pacemaker.service.in b/mcp/pacemaker.service.in
index d67d62dbd9..e24a354329 100644
--- a/mcp/pacemaker.service.in
+++ b/mcp/pacemaker.service.in
@@ -1,23 +1,23 @@
 [Unit]
 Description=Pacemaker High Availability Cluster Manager
 After=network.target
 Requires=network.target
 
 [Install]
 WantedBy=multi-user.target
 
 [Service]
 Type=simple
 KillMode=process
 NotifyAccess=main
 SysVStartPriority=99
-EnvironmentFile=@sysconfdir@/sysconfig/pacemaker
+EnvironmentFile=-@sysconfdir@/sysconfig/pacemaker
 
 ExecStart=@sbindir@/pacemakerd -f
 
 # Pacemaker can only exit after all managed services have shut down
 # A HA database could conceivably take even longer than this 
 TimeoutSec=30min
 
 # Restart options include: no, on-success, on-failure, on-abort or always
 Restart=on-failure