diff --git a/common/recipes-phosphor/host/obmc-op-control-host/op-start-host@.service b/common/recipes-phosphor/host/obmc-op-control-host/op-start-host@.service
index 2617941..8703a43 100644
--- a/common/recipes-phosphor/host/obmc-op-control-host/op-start-host@.service
+++ b/common/recipes-phosphor/host/obmc-op-control-host/op-start-host@.service
@@ -14,8 +14,8 @@
 [Service]
 Type=oneshot
 RemainAfterExit=yes
-ExecStart=/usr/bin/env mapper call /org/openbmc/control/host%i org.openbmc.control.Host boot
-SyslogIdentifier=mapper
+ExecStart=/bin/sh -c "busctl call `mapper get-service /org/openbmc/control/host%i` /org/openbmc/control/host%i org.openbmc.control.Host boot"
+SyslogIdentifier=op-start-host
 
 [Install]
 WantedBy=obmc-host-start@%i.target