diff --git a/scripts/upgrade b/scripts/upgrade
index 37b6f95..a9fb8da 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -44,12 +44,18 @@ upgrade_type=$(ynh_check_app_version_changed)
 # some legacy installs and you therefore want to initiaze stuff during upgrade)
 #
 
-# If db_name doesn't exist, create it
+# If mpd_port doesn't exist, create it
 if [ -z "$mpd_port" ]; then
 	mpd_port=0
 	ynh_app_setting_set --app=$app --key=mpd_port --value=$mpd_port
 fi
 
+if [ $mpd_port -eq 0 ]; then
+	mpd_state="false"
+else
+	mpd_state="true"
+fi
+
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================