diff --git a/hooks/post_user_create b/hooks/post_user_create
index 83775b9..cc96b81 100644
--- a/hooks/post_user_create
+++ b/hooks/post_user_create
@@ -2,6 +2,8 @@
 
 app="__APP__"
 user="__APP__"
+install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
+phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 # Retrieve arguments
 username=$1
@@ -14,6 +16,6 @@ source /usr/share/yunohost/helpers
 user_pass=$(ynh_string_random)
 
 # Create the new user in Wallabag
-(cd "/var/www/$app" && \
+(cd "$install_dir" && \
  sudo -u "$user" php${phpversion} "bin/console" --no-interaction --env=prod \
     fos:user:create "$username" "$user_email" "$user_pass")
diff --git a/hooks/post_user_delete b/hooks/post_user_delete
index 76d986c..b0cd5cf 100644
--- a/hooks/post_user_delete
+++ b/hooks/post_user_delete
@@ -2,12 +2,14 @@
 
 app="__APP__"
 user="__APP__"
+install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
+phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 # Retrieve arguments
 username=$1
 purge=$2
 
 # Deactivate the user from Wallabg
-(cd "/var/www/$app" && \
+(cd "$install_dir" && \
  sudo -u "$user" php${phpversion} "bin/console" --no-interaction --env=prod \
     fos:user:deactivate "$username")