diff --git a/src/game/Creature.cpp b/src/game/Creature.cpp
index 440b1335d..8def022a8 100644
--- a/src/game/Creature.cpp
+++ b/src/game/Creature.cpp
@@ -101,9 +101,9 @@ bool AssistDelayEvent::Execute(uint64 /*e_time*/, uint32 /*p_time*/)
             Creature* assistant = (Creature*)Unit::GetUnit(m_owner, *m_assistants.begin());
             m_assistants.pop_front();
 
-            if (assistant)
+            if (assistant && assistant->CanAssistTo(&m_owner, victim))
             {
-                assistant->SetNoCallAssistence(true);
+                assistant->SetNoCallAssistance(true);
                 if(assistant->AI())
                     assistant->AI()->AttackStart(victim);
             }
@@ -119,7 +119,7 @@ m_lootMoney(0), m_lootRecipient(0),
 m_deathTimer(0), m_respawnTime(0), m_respawnDelay(25), m_corpseDelay(60), m_respawnradius(0.0f),
 m_gossipOptionLoaded(false), m_emoteState(0), m_isPet(false), m_isTotem(false),
 m_regenTimer(2000), m_defaultMovementType(IDLE_MOTION_TYPE), m_equipmentId(0),
-m_AlreadyCallAssistence(false), m_regenHealth(true), m_AI_locked(false), m_isDeadByDefault(false),
+m_AlreadyCallAssistance(false), m_regenHealth(true), m_AI_locked(false), m_isDeadByDefault(false),
 m_meleeDamageSchoolMask(SPELL_SCHOOL_MASK_NORMAL),m_creatureInfo(NULL), m_DBTableGuid(0)
 {
     m_valuesCount = UNIT_END;
@@ -1684,11 +1684,11 @@ bool Creature::IsVisibleInGridForPlayer(Player* pl) const
     return false;
 }
 
-void Creature::CallAssistence()
+void Creature::CallAssistance()
 {
-    if( !m_AlreadyCallAssistence && getVictim() && !isPet() && !isCharmed())
+    if( !m_AlreadyCallAssistance && getVictim() && !isPet() && !isCharmed())
     {
-        SetNoCallAssistence(true);
+        SetNoCallAssistance(true);
 
         float radius = sWorld.getConfig(CONFIG_CREATURE_FAMILY_ASSISTANCE_RADIUS);
         if(radius > 0)
@@ -1725,6 +1725,31 @@ void Creature::CallAssistence()
     }
 }
 
+bool Creature::CanAssistTo(const Unit* u, const Unit* enemy) const
+{
+    // we don't need help from zombies :)
+    if( !isAlive() )
+        return false;
+
+    // skip fighting creature
+    if( isInCombat() )
+        return false;
+
+    // only from same creature faction
+    if(getFaction() != u->getFaction() )
+        return false;
+
+    // only free creature
+    if( GetCharmerOrOwnerGUID() )
+        return false;
+
+    // skip non hostile to caster enemy creatures
+    if( !IsHostileTo(enemy) )
+        return false;
+
+    return true;
+}
+
 void Creature::SaveRespawnTime()
 {
     if(isPet() || !m_DBTableGuid)
diff --git a/src/game/Creature.h b/src/game/Creature.h
index 03f317d81..98f54017e 100644
--- a/src/game/Creature.h
+++ b/src/game/Creature.h
@@ -547,8 +547,9 @@ class MANGOS_DLL_SPEC Creature : public Unit
 
         float GetAttackDistance(Unit const* pl) const;
 
-        void CallAssistence();
-        void SetNoCallAssistence(bool val) { m_AlreadyCallAssistence = val; }
+        void CallAssistance();
+        void SetNoCallAssistance(bool val) { m_AlreadyCallAssistance = val; }
+        bool CanAssistTo(const Unit* u, const Unit* enemy) const;
 
         MovementGeneratorType GetDefaultMovementType() const { return m_defaultMovementType; }
         void SetDefaultMovementType(MovementGeneratorType mgt) { m_defaultMovementType = mgt; }
@@ -633,7 +634,7 @@ class MANGOS_DLL_SPEC Creature : public Unit
         uint32 m_DBTableGuid;                               ///< For new or temporary creatures is 0 for saved it is lowguid
         uint32 m_equipmentId;
 
-        bool m_AlreadyCallAssistence;
+        bool m_AlreadyCallAssistance;
         bool m_regenHealth;
         bool m_AI_locked;
         bool m_isDeadByDefault;
diff --git a/src/game/GridNotifiers.h b/src/game/GridNotifiers.h
index 862f434fb..bea2ad269 100644
--- a/src/game/GridNotifiers.h
+++ b/src/game/GridNotifiers.h
@@ -721,32 +721,15 @@ namespace MaNGOS
                 if(u == i_funit)
                     return false;
 
-                // we don't need help from zombies :)
-                if( !u->isAlive() )
-                    return false;
-
-                // skip fighting creature
-                if( u->isInCombat() )
-                    return false;
-
-                // only from same creature faction
-                if(u->getFaction() != i_funit->getFaction() )
-                    return false;
-
-                // only free creature
-                if( u->GetCharmerOrOwnerGUID() )
+                if ( !u->CanAssistTo(i_funit, i_enemy) )
                     return false;
 
                 // too far
                 if( !i_funit->IsWithinDistInMap(u, i_range) )
                     return false;
 
-                // skip non hostile to caster enemy creatures
-                if( !u->IsHostileTo(i_enemy) )
-                    return false;
-
                 // only if see assisted creature
-                if(!u->IsWithinLOSInMap(i_funit) )
+                if( !i_funit->IsWithinLOSInMap(u) )
                     return false;
 
                 return true;
diff --git a/src/game/Unit.cpp b/src/game/Unit.cpp
index e81534c66..d1259d089 100644
--- a/src/game/Unit.cpp
+++ b/src/game/Unit.cpp
@@ -6908,7 +6908,7 @@ bool Unit::Attack(Unit *victim, bool meleeAttack)
         data << uint32(AI_REACTION_AGGRO);                  // Aggro sound
         ((WorldObject*)this)->SendMessageToSet(&data, true);
 
-        ((Creature*)this)->CallAssistence();
+        ((Creature*)this)->CallAssistance();
         ((Creature*)this)->SetCombatStartPosition(GetPositionX(), GetPositionY(), GetPositionZ());
     }
 
@@ -6942,7 +6942,7 @@ bool Unit::AttackStop()
     if( GetTypeId()==TYPEID_UNIT )
     {
         // reset call assistance
-        ((Creature*)this)->SetNoCallAssistence(false);
+        ((Creature*)this)->SetNoCallAssistance(false);
     }
 
     SendAttackStop(victim);
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index b826c3e6f..bae4de095 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 "6845"
+ #define REVISION_NR "6846"
 #endif // __REVISION_NR_H__