diff -up sos-2.2/sos/policyredhat.py.orig sos-2.2/sos/policyredhat.py
--- sos-2.2/sos/policyredhat.py.orig	2013-01-21 10:15:29.320379197 +0000
+++ sos-2.2/sos/policyredhat.py	2013-01-21 10:15:33.844387589 +0000
@@ -64,6 +64,8 @@ def sanitizeReportName(report_name):
     return re.sub(r"[^-a-zA-Z.0-9]", "", report_name)
 
 def sanitizeTicketNumber(ticket_number):
+    if ticket_number == None:
+        ticket_number = ""
     return re.sub(r"[^0-9]", "", ticket_number)
 
 class SosPolicy: