diff --git a/scripts/upgrade b/scripts/upgrade
index a9fb8da..c731d92 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -139,7 +139,11 @@ ynh_add_config --template="../conf/app.conf" --destination="$conf_file"
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="Mopidy music server" --log="/var/log/$app/$app.log"
+if [ $mpd_port -ne 0 ]; then
+	yunohost service add $app --description="Mopidy music server" --log="/var/log/$app/$app.log" --needs_exposed_ports=$mpd_port
+else
+	yunohost service add $app --description="Mopidy music server" --log="/var/log/$app/$app.log"
+fi
 
 #=================================================
 # START SYSTEMD SERVICE