I haven't looked at this in quite a while. I believe the issue you are encountering is resolved with a little extra code as Adam mentioned earlier in the thread. He has a proc that handles this quite nicely that most people use. It is called sp_whoisactive.
I might tune this code up a little bit to handle that, feel free to tune it for your implementation.
Tune into my blog to check for updates on this.
Jason...AKA CirqueDeSQLeil
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I have given a name to my pain...MCM SQL Server, MVP
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