diff --git a/scripts/restore b/scripts/restore
index 498f457..8d0dc96 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -113,7 +113,7 @@ systemctl enable $app.service --quiet
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="Coturn TURN server" --log="/var/log/$app/$app.log" --needs_exposed_ports $turnserver_tls_port
+yunohost service add $app --description="Coturn TURN server" --log="/var/log/$app/$app.log" --needs_exposed_ports="$turnserver_tls_port"
 
 #=================================================
 # OPEN THE PORT