diff --git a/scripts/upgrade b/scripts/upgrade
index 26293c0..5110b2a 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -284,13 +284,14 @@ ynh_add_config --template="../conf/config.yaml" --destination="$final_path/confi
 chmod 400 "$final_path/config.yaml"
 chown $app:$app "$final_path/config.yaml"
 
-# apply_permissions to have correct syntax in config file
 listrelay=$listrelay_
 listuser=$listuser_
 listadmin=$listadmin_
-yunohost app config set $app main.permissions.listrelay -v "$listrelay"
-yunohost app config set $app main.permissions.listuser -v "$listuser"
-yunohost app config set $app main.permissions.listadmin -v "$listadmin"
+# MIGRATION from previous version without config panel -> config panel does not exist yet, so we upgrade the config after starting the systemd service
+# apply_permissions to have correct syntax in config file
+#yunohost app config set $app main.permissions.listrelay -v "$listrelay"
+#yunohost app config set $app main.permissions.listuser -v "$listuser"
+#yunohost app config set $app main.permissions.listadmin -v "$listadmin"
 
 #=================================================
 # REGISTER SYNAPSE APP-SERVICE
@@ -341,6 +342,12 @@ ynh_script_progression --message="Starting a systemd service..." --weight=1
 # Start a systemd service
 ynh_systemd_action --service_name=$app --action="start"
 
+# MIGRATION from previous version without config panel -> config panel does not exist yet, so we upgrade the config after starting the systemd service
+# apply_permissions to have correct syntax in config file
+yunohost app config set $app main.permissions.listrelay -v "$listrelay"
+yunohost app config set $app main.permissions.listuser -v "$listuser"
+yunohost app config set $app main.permissions.listadmin -v "$listadmin"
+
 #=================================================
 # END OF SCRIPT
 #=================================================