diff --git a/mdmonitor.service b/mdmonitor.service
index d57d33f..b45d86f 100644
--- a/mdmonitor.service
+++ b/mdmonitor.service
@@ -16,7 +16,8 @@ Type=forking
 PIDFile=/run/mdadm/mdadm.pid
 Environment=  MDADM_MONITOR_ARGS="--scan --syslog"
 EnvironmentFile=-/etc/sysconfig/mdadm
-ExecStart=/sbin/mdadm --monitor $MDADM_MONITOR_ARGS -f --pid-file=/var/run/mdadm/mdadm.pid
+ExecStartPre= mkdir -p /run/mdadm
+ExecStart=/sbin/mdadm --monitor $MDADM_MONITOR_ARGS -f --pid-file=/run/mdadm/mdadm.pid
 
 [Install]
 WantedBy=multi-user.target