diff --git a/scripts/install b/scripts/install
index 7bd1c7c..e486820 100644
--- a/scripts/install
+++ b/scripts/install
@@ -16,7 +16,7 @@ source /usr/share/yunohost/helpers
 admin_mail=$(ynh_user_get_info --username=$admin --key="mail")
 admin_pass=$(ynh_string_random --length=24)
 secrets_peertube=$(ynh_string_random --length=24)
-db_name=$(peertube_$app)
+db_name="peertube_$app"
 
 # Define app's data directory
 #REMOVEME? data_dir="/home/yunohost.app/${app}/storage"