diff --git a/VERSION b/VERSION
index c097f461..f2ee5998 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 1.99.4 (2012-01-17 22:09:51) stable
+Version 1.99.4 (2012-01-20 11:19:18) stable
diff --git a/gluon/sqlhtml.py b/gluon/sqlhtml.py
index be4fcc8f..9acda6f3 100644
--- a/gluon/sqlhtml.py
+++ b/gluon/sqlhtml.py
@@ -1956,12 +1956,13 @@ class SQLFORM(FORM):
                 else:
                     del kwargs[key]
         for tablename,fieldname in table._referenced_by:
+            id_field_name = db[tablename]._id.name
             if linked_tables is None or tablename in linked_tables:
                 args0 = tablename+'.'+fieldname
                 links.append(
                     lambda row,t=T(db[tablename]._plural),nargs=nargs,args0=args0:\
                         A(SPAN(t),_class=trap_class(),_href=URL(
-                            args=request.args[:nargs]+[args0,row.id])))
+                            args=request.args[:nargs]+[args0,row[id_field_name]])))
         grid=SQLFORM.grid(query,args=request.args[:nargs],links=links,
                           links_in_grid=links_in_grid,
                           user_signature=user_signature,**kwargs)