===================================================================

--- SpellAuras.cpp (revision 421)

+++ SpellAuras.cpp (working copy)

@@ -4833,7 +4947,7 @@

     if ((m_modifier.m_miscvalue == STAT_STAMINA) && (maxHPValue > 0) && (m_spellProto->Attributes & 0x10))

     {

         // newHP = (curHP / maxHP) * newMaxHP = (newMaxHP * curHP) / maxHP -> which is better because no int -> double -> int conversion is needed

-        uint32 newHPValue = (m_target->GetMaxHealth() * curHPValue) / maxHPValue;

+        uint32 newHPValue = (uint64(m_target->GetMaxHealth()) * uint64(curHPValue)) / maxHPValue;

         m_target->SetHealth(newHPValue);

     }

 }