diff --git a/service_files/op-enter-mpreboot@.service.in b/service_files/op-enter-mpreboot@.service.in
index b639f32..06a22b8 100644
--- a/service_files/op-enter-mpreboot@.service.in
+++ b/service_files/op-enter-mpreboot@.service.in
@@ -7,10 +7,11 @@
 Before=op-stop-instructions@%i.service
 After=phosphor-reset-sensor-states@%i.service
 Before=phosphor-reboot-host@%i.service
+After=openpower-update-bios-attr-table.service
 Conflicts=obmc-host-startmin@%i.target
 
 [Service]
-@ENABLE_PHAL_TRUE@Environment="PDBG_DTB=/var/lib/phosphor-software-manager/pnor/rw/DEVTREE"
+@ENABLE_PHAL_TRUE@Environment="PDBG_DTB=@CEC_DEVTREE_RW_PATH@"
 RemainAfterExit=yes
 Type=oneshot
 ExecStart=/usr/bin/openpower-proc-control enterMpReboot