diff --git a/src/fobi/contrib/apps/drf_integration/dynamic.py b/src/fobi/contrib/apps/drf_integration/dynamic.py
index b2fa8d7f..6b84fa04 100644
--- a/src/fobi/contrib/apps/drf_integration/dynamic.py
+++ b/src/fobi/contrib/apps/drf_integration/dynamic.py
@@ -447,7 +447,7 @@ def assemble_serializer_class(form_entry,
             return attrs
 
         def __repr__(self):
-            representation.serializer_repr(self, indent=1)
+            return representation.serializer_repr(self, indent=1)
 
         # The following are used for accessing `BoundField` instances on the
         # serializer, for the purposes of presenting a form-like API onto the