Spellstrike and Robe of the Elder Scribes procs overwriting

[draedo2]

It appears that the buffs gained from the spellstrike set (lesser spell blasting ID 32106) and Robes of the Elder Scribes from Nightbane (Spirit of arcanagos ID 34597) Seldom proc together and when it does occur they appear to overwrite each other instead of stacking.

So as an example, If you cast shadow bolt and it procs spirit of arcanagos from the chest, you will gain the buff
Next shadow bolt procs lesser spell blasting from spellstrike it will remove the spirit of acanagos buff and replace it with lesser spell blasting.

It would appear they are both using the same buff icon and this was an issues caused by that fact on the feenix server.

[AnonXS]

http://db.hellfire-tbc.com/?spell=32108, http://db.hellfire-tbc.com/?spell=34597

[honeyhoney]

Do you have any evidence to suggest this a bug and not how it worked in retail?