diff --git a/op-enter-mpreboot@.service.in b/op-enter-mpreboot@.service.in
index 3543946..4d39aa0 100644
--- a/op-enter-mpreboot@.service.in
+++ b/op-enter-mpreboot@.service.in
@@ -6,6 +6,7 @@
 Conflicts=obmc-host-startmin@%i.target
 
 [Service]
+@ENABLE_PHAL_TRUE@Environment="PDBG_DTB=/var/lib/phosphor-software-manager/pnor/rw/DEVTREE"
 RemainAfterExit=yes
 Type=oneshot
 ExecStart=/usr/bin/openpower-proc-control enterMpReboot