diff --git a/VERSION b/VERSION
index 094c3568..be55cb8c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.4.1-alpha.2+timestamp.2013.01.20.14.22.13
+Version 2.4.1-alpha.2+timestamp.2013.01.20.14.47.52
diff --git a/gluon/sqlhtml.py b/gluon/sqlhtml.py
index aa725f15..bf9e8ea0 100644
--- a/gluon/sqlhtml.py
+++ b/gluon/sqlhtml.py
@@ -2017,7 +2017,12 @@ class SQLFORM(FORM):
 
             expcolumns = columns
             if export_type.endswith('with_hidden_cols'):
-                expcolumns = [f for f in fields if f._tablename in tablenames]
+                expcolumns = []
+                for table in tables:
+                    for field in table:
+                        if field.readable and field._tablename in tablenames:
+                            expcolumns.append(field)
+
             if export_type in exportManager and exportManager[export_type]:
                 if request.vars.keywords:
                     try: