diff --git a/brozzler/__init__.py b/brozzler/__init__.py
index a8d0b33..6d901a0 100644
--- a/brozzler/__init__.py
+++ b/brozzler/__init__.py
@@ -258,7 +258,7 @@ def jinja2_environment(behaviors_dir=None):
                                                            'js-templates'))
         else:
             _loader=jinja2.PackageLoader('brozzler', 'js-templates')
-        _jinja2_env = jinja2.Environment(loader=_loader)
+        _jinja2_env = jinja2.Environment(loader=_loader, auto_reload=False)
         _jinja2_env.filters['json'] = json.dumps
     return _jinja2_env