--- a/tools/seafile-admin
+++ b/tools/seafile-admin
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/lib/seafile/seafileenv/bin/python2
 # coding: UTF-8
 '''This is the helper script to setup/manage your seafile server
 '''
@@ -683,7 +683,7 @@
 
 def start_seahub_gunicorn():
     argv = [
-        'gunicorn',
+        '/usr/lib/seafile/seafileenv/bin/gunicorn',
         'seahub.wsgi:application',
         '-c',
         conf[CONF_SEAHUB_CONF],