diff --git a/scripts/install b/scripts/install
index b06b4cd..a8d9196 100755
--- a/scripts/install
+++ b/scripts/install
@@ -144,6 +144,13 @@ ynh_script_progression --message="Configuring PHP-FPM..."
 ynh_add_fpm_config --package="$extra_php_dependencies"
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
+#=================================================
+# CREATE A  DATABASE VAR
+#=================================================
+
+db_name=$(ynh_sanitize_dbid --db_name=$app)
+db_user=$db_name
+
 #=================================================
 # MODIFY A CONFIG FILE
 #=================================================
@@ -160,8 +167,7 @@ chown $app:$app "$final_path/.htconfig.php"
 
 if [  $database -eq 1 ]; then
 	ynh_script_progression --message="Creating a MySQL database..."
-	db_name=$(ynh_sanitize_dbid --db_name=$app)
-	db_user=$db_name
+
 	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
 	ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name
 	ynh_mysql_connect_as --user="$db_name" --password="$db_pwd" --database="$db_name" < $final_path/install/schema_mysql.sql
@@ -169,8 +175,7 @@ elif [ $database -eq 2 ]; then
 	# Create postgresql database
 	ynh_script_progression --message="Creating a postgresql database..."
 	ynh_replace_string --match_string="db_type = 0;" --replace_string="db_type = 1;" --target_file="$final_path/.htconfig.php"
-	db_name=$(ynh_sanitize_dbid --db_name=$app)
-	db_user=$app
+
 	ynh_psql_test_if_first_run
 	ynh_psql_setup_db --db_user=$db_user --db_name=$db_name
 	ynh_app_setting_set --app=$app --key=db_name --value=$db_name