diff --git a/tmpl/ninesurvey-env.local b/tmpl/ninesurvey-env.local
index f47aa95..109c3f3 100644
--- a/tmpl/ninesurvey-env.local
+++ b/tmpl/ninesurvey-env.local
@@ -1,6 +1,7 @@
 # SYMFONY
 APP_ENV=PROD
-APP_SECRET=%%pwdreader("","/var/www/html/ninesurvey/.key")
+%set keyfile = %%getVar('container_path_web','') + '/var/www/html/ninesurvey/.key'
+APP_SECRET=%%pwdreader("",%%keyfile)
 #TRUSTED_PROXIES=127.0.0.0/8,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16
 #TRUSTED_HOSTS='^(localhost|example\.com)$'