diff -r b3e1e0c9649c -r 9c930fa3661c app/soc/views/models/base.py
--- a/app/soc/views/models/base.py	Fri Jan 23 21:22:09 2009 +0000
+++ b/app/soc/views/models/base.py	Fri Jan 23 22:17:49 2009 +0000
@@ -629,7 +629,7 @@
     field = request.GET.get('field', None)
     value = request.GET.get('value', None)
 
-    if field and value:
+    if field and value and field in form.fields:
       form.fields[field].initial = value