--- a/web/formfields.py	Wed Oct 09 11:13:56 2013 +0200
+++ b/web/formfields.py	Thu Oct 10 13:26:11 2013 +0200
@@ -553,7 +553,7 @@
             widget.attrs.setdefault('maxlength', self.max_length)
 
     def init_text_area(self, widget):
-        if self.max_length < 513:
+        if self.max_length and self.max_length < 513:
             widget.attrs.setdefault('cols', 60)
             widget.attrs.setdefault('rows', 5)