diff --git a/oam/install_scripts/mcs-controllernode.service.in b/oam/install_scripts/mcs-controllernode.service.in
index 6a8e40c5b..34b23b0ca 100644
--- a/oam/install_scripts/mcs-controllernode.service.in
+++ b/oam/install_scripts/mcs-controllernode.service.in
@@ -4,8 +4,7 @@ PartOf=mcs-workernode.service
 After=mcs-workernode.service
 
 [Service]
-Type=forking
-ExecStartPre=/usr/bin/env bash -c "systemctl start mcs-workernode"
-ExecStart=@ENGINE_BINDIR@/controllernode
+Type=simple
+ExecStart=@ENGINE_BINDIR@/controllernode fg
 Restart=on-failure
 ExecStop=@ENGINE_BINDIR@/mcs-stop-controllernode.sh $MAINPID
diff --git a/oam/install_scripts/mcs-workernode.service.in b/oam/install_scripts/mcs-workernode.service.in
index ec6340429..780827cf0 100644
--- a/oam/install_scripts/mcs-workernode.service.in
+++ b/oam/install_scripts/mcs-workernode.service.in
@@ -3,8 +3,8 @@ Description=mcs-workernode
 After=mcs-loadbrm.service
 
 [Service]
-Type=forking
-ExecStart=@ENGINE_BINDIR@/workernode DBRM_Worker1
+Type=simple
+ExecStart=@ENGINE_BINDIR@/workernode DBRM_Worker1 fg
 Restart=on-failure
 ExecStop=/usr/bin/env bash -c "kill -15 $MAINPID"
 ExecStopPost=-@ENGINE_BINDIR@/save_brm