diff --git a/src/game/Unit.cpp b/src/game/Unit.cpp
index c6bf862e6..be1bc79b6 100644
--- a/src/game/Unit.cpp
+++ b/src/game/Unit.cpp
@@ -10209,7 +10209,7 @@ float Unit::ApplyTotalThreatModifier(float threat, SpellSchoolMask schoolMask)
 
 //======================================================================
 
-void Unit::AddThreat(Unit* pVictim, float threat, bool crit, SpellSchoolMask schoolMask, SpellEntry const *threatSpell /*= NULL*/)
+void Unit::AddThreat(Unit* pVictim, float threat /*= 0.0f*/, bool crit /*= false*/, SpellSchoolMask schoolMask /*= SPELL_SCHOOL_MASK_NONE*/, SpellEntry const *threatSpell /*= NULL*/)
 {
     // Only mobs can manage threat lists
     if(CanHaveThreatList())
diff --git a/src/game/Unit.h b/src/game/Unit.h
index 490875d1a..4725b4a84 100644
--- a/src/game/Unit.h
+++ b/src/game/Unit.h
@@ -1336,8 +1336,7 @@ class MANGOS_DLL_SPEC Unit : public WorldObject
 
         // Threat related methods
         bool CanHaveThreatList() const;
-        void AddThreat(Unit* pVictim, float threat, bool crit, SpellSchoolMask schoolMask, SpellEntry const *threatSpell = NULL);
-        void AddThreat(Unit* pVictim) { AddThreat(pVictim, 0.0f, false, SPELL_SCHOOL_MASK_NORMAL, NULL); }
+        void AddThreat(Unit* pVictim, float threat = 0.0f, bool crit = false, SpellSchoolMask schoolMask = SPELL_SCHOOL_MASK_NONE, SpellEntry const *threatSpell = NULL);
         float ApplyTotalThreatModifier(float threat, SpellSchoolMask schoolMask = SPELL_SCHOOL_MASK_NORMAL);
         void DeleteThreatList();
         bool SelectHostileTarget();
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index 8b4a55c34..5eabe001a 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "8658"
+ #define REVISION_NR "8659"
 #endif // __REVISION_NR_H__