diff --git a/tailbone/forms/core.py b/tailbone/forms/core.py
index 1bc373df..4a2be3a7 100644
--- a/tailbone/forms/core.py
+++ b/tailbone/forms/core.py
@@ -118,3 +118,4 @@ class GenericFieldSet(formalchemy.FieldSet):
     __sa__ = False
     _bound_pk = None
     data = None
+    prettify = staticmethod(prettify)