diff --git a/bin/osv/orm.py b/bin/osv/orm.py
index 61b379f5311..050aba7fdf1 100644
--- a/bin/osv/orm.py
+++ b/bin/osv/orm.py
@@ -281,6 +281,8 @@ def get_pg_type(f):
         f_type = ('float8', 'DOUBLE PRECISION')
     elif isinstance(f, fields.function) and f._type == 'selection':
         f_type = ('text', 'text')
+    elif isinstance(f, fields.function) and f._type == 'char':
+        f_type = ('varchar', 'VARCHAR(%d)' % (f.size))
     else:
         logger = netsvc.Logger()
         logger.notifyChannel("init", netsvc.LOG_WARNING, '%s type not supported!' % (type(f)))
@@ -443,7 +445,7 @@ class orm_template(object):
                         break
                     i += 1
                 if i == len(f):
-                    data[fpos] = str(r or '')
+                    data[fpos] = tools.ustr(r or '')
         return [data] + lines
 
     def export_data(self, cr, uid, ids, fields, context=None):