diff --git a/rest_framework/renderers.py b/rest_framework/renderers.py
index 584332e66..8485d4ee1 100644
--- a/rest_framework/renderers.py
+++ b/rest_framework/renderers.py
@@ -410,7 +410,7 @@ class HTMLFormRenderer(BaseRenderer):
     })
 
     def render_field(self, field, parent_style):
-        if isinstance(field, serializers.HiddenField):
+        if isinstance(field._field, serializers.HiddenField):
             return ''
 
         style = dict(self.default_style[field])