diff --git a/cluster/apt.apply.update.sh b/cluster/apt.apply.update.sh
index 7b1e4c9..1c0d927 100755
--- a/cluster/apt.apply.update.sh
+++ b/cluster/apt.apply.update.sh
@@ -126,6 +126,30 @@ No Maco upgrade require."
 
 	return "${return_maco_upgrade_present}"
 
+}
+# }}}
+is_maco_upgrade_absent() {                                     # {{{
+
+	return_maco_upgrade_absent="0"
+
+	## Check if temp Maco upgrade file is present
+	if [ -f "${MACO_TMP_FILE}" ]; then
+		return_maco_upgrade_absent="1"
+		debug_message "is_maco_upgrade_absent − \
+Maco upgrade seems available."
+
+	## Check if temp Maco urgent upgrade file is present
+	elif [ -f "${MACO_TMP_URGENT_FILE}" ]; then
+		return_maco_upgrade_absent="1"
+		debug_message "is_maco_upgrade_absent − \
+Maco urgent upgrade seems available."
+	else
+		debug_message "is_maco_upgrade_absent − \
+No Maco upgrade require."
+	fi
+
+	return "${return_maco_upgrade_absent}"
+
 }
 # }}}
 is_queue_enable() {                                             # {{{
@@ -277,6 +301,11 @@ main() {                                                        # {{{
 	is_maco_upgrade_present \
 		&& exit 0
 
+	## If Maco upgrade is absent
+	### Reboot the system
+	is_maco_upgrade_absent \
+		&& systemctl reboot
+
 }
 # }}}