diff --git a/callagent/useragent/SIPUserAgentBase.st b/callagent/useragent/SIPUserAgentBase.st
index 2b4dedc..8eeae87 100644
--- a/callagent/useragent/SIPUserAgentBase.st
+++ b/callagent/useragent/SIPUserAgentBase.st
@@ -44,7 +44,7 @@ Object subclass: SIPUserAgentBase [
     SIPUserAgentBase class >> generateCSeq [
         <category: 'helper'>
         "CSeq must be < 2^31 but Random only allows 2^29"
-        ^ Random between: 1 and: (1 raisedTo: 29).
+        ^ Random between: 1 and: (2 raisedTo: 29).
     ]