diff --git a/hooks/post_app_addaccess b/hooks/post_app_addaccess
index a428267..9dadc98 100755
--- a/hooks/post_app_addaccess
+++ b/hooks/post_app_addaccess
@@ -4,6 +4,9 @@ app=$1
 new_users=$2
 app_path=/var/www/freshrss
 
+# Source app helpers
+. /usr/share/yunohost/helpers
+
 
 if [[ "freshrss" = "$app" ]];
 then
diff --git a/hooks/post_user_create b/hooks/post_user_create
index 864e0e7..29b5f4f 100755
--- a/hooks/post_user_create
+++ b/hooks/post_user_create
@@ -3,6 +3,9 @@ app_path=/var/www/freshrss
 
 myuser=$1
 
+# Source app helpers
+. /usr/share/yunohost/helpers
+
 user_token=$(ynh_string_random)
 $app_path/cli/create-user.php --user $myuser --language en --token $user_token --no-default-feeds
 sudo chown -R www-data: $app_path/data/users/$myuser/