diff --git a/config_panel.toml b/config_panel.toml
new file mode 100644
index 0000000..9e8095e
--- /dev/null
+++ b/config_panel.toml
@@ -0,0 +1,12 @@
+version = "1.0"
+
+[main]
+name = "Element configuration"
+
+    [main.config]
+    name = "Configuration Options"
+
+        [main.config.jitsi_server]
+        ask = "Choose a Jitsi server"
+        type = "domain"
+        bind = "preferredDomain:__FINALPATH__/config.json"
diff --git a/scripts/upgrade b/scripts/upgrade
index 1de6e33..070bb8e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -42,6 +42,16 @@ ynh_clean_setup () {
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
+#=================================================
+# ENSURE DOWNWARD COMPATIBILITY
+#=================================================
+ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
+
+if [ -z "$jitsi_server" ]; then
+	jitsi_server="meet.element.io"
+	ynh_app_setting_set --app=$app --key=jitsi_server --value=$jitsi_server
+fi
+
 #=================================================
 # CREATE DEDICATED USER
 #=================================================