diff --git a/tailbone/forms/renderers/people.py b/tailbone/forms/renderers/people.py
index dfaa397d..c6c6e5fc 100644
--- a/tailbone/forms/renderers/people.py
+++ b/tailbone/forms/renderers/people.py
@@ -85,4 +85,8 @@ class UserFieldRenderer(TextFieldRenderer):
     Renderer for :class:`rattail.db.model.User` instance fields.
     """
 
-    pass
+    def render_readonly(self, **kwargs):
+        user = self.raw_value
+        if user:
+            return user.display_name
+        return u''