diff --git a/wo/cli/plugins/stack_pref.py b/wo/cli/plugins/stack_pref.py
index f3bee5b..fca4b6b 100644
--- a/wo/cli/plugins/stack_pref.py
+++ b/wo/cli/plugins/stack_pref.py
@@ -1179,8 +1179,7 @@ def post_pref(self, apt_packages, packages, upgrade=False):
                     'SEND_EMAIL="NO"')
 
             WOFileUtils.searchreplace(
-                self, "{0}etc/netdata/orig/health_alarm_notify.conf"
-                .format(wo_netdata),
+                self, "{0}etc/netdata/orig/health_alarm_notify.conf",
                 'SEND_EMAIL="YES"',
                 'SEND_EMAIL="NO"')
             # check if mysql credentials are available
diff --git a/wo/cli/plugins/stack_upgrade.py b/wo/cli/plugins/stack_upgrade.py
index f02f7a2..004ba51 100644
--- a/wo/cli/plugins/stack_upgrade.py
+++ b/wo/cli/plugins/stack_upgrade.py
@@ -362,17 +362,9 @@ class WOStackUpgradeController(CementBaseController):
                     WOShellExec.cmd_exec(
                         self,
                         "bash /var/lib/wo/tmp/kickstart.sh "
-                        "--dont-wait --no-updates --stable-channel",
+                        "--dont-wait --no-updates --stable-channel "
+                        "--reinstall-even-if-unsafe",
                         errormsg='', log=False)
-                    if (os.path.exists('/opt/netdata') and
-                            not os.path.exists(
-                                '/opt/netdata/var/run/netdata/netdata.pid')):
-                        WOShellExec.cmd_exec(
-                            self,
-                            'bash /var/lib/wo/tmp/kickstart.sh '
-                            '--dont-wait --no-updates '
-                            '--stable-channel --reinstall-even-if-unsafe',
-                            errormsg='', log=False)
                     Log.valide(self, "Upgrading Netdata")
 
                 if WOAptGet.is_selected(self, 'WordOps Dashboard', packages):