diff --git a/conf/configuration.php b/conf/configuration.php
index c9b1ab1..7328567 100644
--- a/conf/configuration.php
+++ b/conf/configuration.php
@@ -52,7 +52,7 @@ class JConfig
 	public $dbsslcipher = '';
 
 	/* Server Settings */
-	public $secret = '';     // Use something very secure. For example on linux the following command `cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w ${1:-16} | head -n 1`
+	public $secret = '__SECRET__';     // Use something very secure. For example on linux the following command `cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w ${1:-16} | head -n 1`
 	public $gzip = false;
 	public $error_reporting = 'default';
 	public $helpurl = 'https://help.joomla.org/proxy?keyref=Help{major}{minor}:{keyref}&lang={langcode}';
diff --git a/scripts/install b/scripts/install
index e66b421..f678de3 100644
--- a/scripts/install
+++ b/scripts/install
@@ -30,6 +30,7 @@ app=$YNH_APP_INSTANCE_NAME
 
 admin_email=$(ynh_user_get_info --username="$admin" --key="mail")
 db_prefix="$(ynh_string_random --length="4")_"
+secret=$(ynh_string_random --length="16")
 
 #=================================================
 # CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
@@ -51,6 +52,7 @@ ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
 ynh_app_setting_set --app=$app --key=admin --value=$admin
 ynh_app_setting_set --app=$app --key=db_prefix --value=$db_prefix
+ynh_app_setting_set --app=$app --key=secret --value=$secret
 
 #=================================================
 # STANDARD MODIFICATIONS
diff --git a/scripts/upgrade b/scripts/upgrade
index 7cc1c94..e2c64ee 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -24,6 +24,7 @@ db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
 db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
 db_prefix=$(ynh_app_setting_get --app=$app --key=db_prefix)
+secret=$(ynh_app_setting_get --app=$app --key=secret)
 
 #=================================================
 # CHECK VERSION
@@ -59,6 +60,12 @@ if [ -z "$db_prefix" ]; then
 	ynh_app_setting_set --app=$app --key=db_prefix --value=$db_prefix
 fi
 
+# If secret doesn't exist, create it
+if [ -z "$secret" ]; then
+	secret=""
+	ynh_app_setting_set --app=$app --key=secret --value=$secret
+fi
+
 #=================================================
 # CREATE DEDICATED USER
 #=================================================