diff --git a/scripts/install b/scripts/install
index 5128396..507b6fb 100755
--- a/scripts/install
+++ b/scripts/install
@@ -21,7 +21,8 @@ ynh_abort_if_errors
 #=================================================
 
 domain=$YNH_APP_ARG_DOMAIN
-path_url=`echo `ynh_app_setting_get --app=$YNH_APP_ARG_APP_ID --key=path` "/icecoder"`
+path_url=[ynh_app_setting_get --app=$YNH_APP_ARG_APP_ID --key=path]
+((path_url=$path_url+"/icecoder"))
 app_id=$YNH_APP_ARG_APP_ID
 
 ### If it's a multi-instance app, meaning it can be installed several times independently