diff --git a/modules/rhizo_base/files/var/SysmoBTS/maint.sh b/modules/rhizo_base/files/var/SysmoBTS/maint.sh
index df83bc5..2fa8668 100644
--- a/modules/rhizo_base/files/var/SysmoBTS/maint.sh
+++ b/modules/rhizo_base/files/var/SysmoBTS/maint.sh
@@ -51,6 +51,7 @@ for bts in "${!BTS[@]}" ; do
     scp $SSH_OPTS mgr root@${BTS[$bts]}:/bin/
     ssh $SSH_OPTS root@${BTS[$bts]} "chmod 750 /bin/mgr"
     gunzip -c sysmobts-mgr-arm.gz > sysmobts-mgr
+    ssh $SSH_OPTS root@${BTS[$bts]} "systemctl stop sysmobts-mgr"
     scp $SSH_OPTS sysmobts-mgr root@${BTS[$bts]}:/usr/bin/
     ssh $SSH_OPTS root@${BTS[$bts]} "chmod 755 /usr/bin/sysmobts-mgr ; systemctl restart sysmobts-mgr"
     # things to do