diff --git a/src/game/Player.cpp b/src/game/Player.cpp
index 7148f30b9..9415fa107 100644
--- a/src/game/Player.cpp
+++ b/src/game/Player.cpp
@@ -567,6 +567,7 @@ Player::Player (WorldSession *session): Unit(), m_mover(this), m_camera(this), m
     m_baseFeralAP = 0;
     m_baseManaRegen = 0;
     m_armorPenetrationPct = 0.0f;
+    m_spellPenetrationItemMod = 0;
 
     // Honor System
     m_lastHonorUpdateTime = time(NULL);
@@ -7170,6 +7171,7 @@ void Player::_ApplyItemBonuses(ItemPrototype const *proto, uint8 slot, bool appl
                 break;
             case ITEM_MOD_SPELL_PENETRATION:
                 ApplyModInt32Value(PLAYER_FIELD_MOD_TARGET_RESISTANCE, -int32(val), apply);
+                m_spellPenetrationItemMod += apply ? val : -val;
                 break;
             case ITEM_MOD_BLOCK_VALUE:
                 HandleBaseModValue(SHIELD_BLOCK_VALUE, FLAT_MOD, float(val), apply);
diff --git a/src/game/Player.h b/src/game/Player.h
index d0bb7aa29..8b2161ce8 100644
--- a/src/game/Player.h
+++ b/src/game/Player.h
@@ -2050,6 +2050,7 @@ class MANGOS_DLL_SPEC Player : public Unit
         void _ApplyAllStatBonuses();
         void _RemoveAllStatBonuses();
         float GetArmorPenetrationPct() const { return m_armorPenetrationPct; }
+        int32 GetSpellPenetrationItemMod() const { return m_spellPenetrationItemMod; }
 
         void _ApplyWeaponDependentAuraMods(Item *item, WeaponAttackType attackType, bool apply);
         void _ApplyWeaponDependentAuraCritMod(Item *item, WeaponAttackType attackType, Aura* aura, bool apply);
@@ -2546,6 +2547,7 @@ class MANGOS_DLL_SPEC Player : public Unit
         uint16 m_baseFeralAP;
         uint16 m_baseManaRegen;
         float m_armorPenetrationPct;
+        int32 m_spellPenetrationItemMod;
 
         SpellModList m_spellMods[MAX_SPELLMOD];
         int32 m_SpellModRemoveCount;
diff --git a/src/game/Unit.cpp b/src/game/Unit.cpp
index 4935a7e50..7ae6a1842 100644
--- a/src/game/Unit.cpp
+++ b/src/game/Unit.cpp
@@ -1905,6 +1905,9 @@ void Unit::CalculateDamageAbsorbAndResist(Unit *pCaster, SpellSchoolMask schoolM
         // Ignore resistance by self SPELL_AURA_MOD_TARGET_RESISTANCE aura
         tmpvalue2 += (float)pCaster->GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_TARGET_RESISTANCE, schoolMask);
 
+        if (pCaster->GetTypeId() == TYPEID_PLAYER)
+            tmpvalue2 -= (float)((Player*)pCaster)->GetSpellPenetrationItemMod();
+
         tmpvalue2 *= (float)(0.15f / getLevel());
         if (tmpvalue2 < 0.0f)
             tmpvalue2 = 0.0f;
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index a4fc78f15..893914020 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 "10918"
+ #define REVISION_NR "10919"
 #endif // __REVISION_NR_H__