diff --git a/src/game/SpellAuraDefines.h b/src/game/SpellAuraDefines.h
index e3f6ab630..10b4fd3e5 100644
--- a/src/game/SpellAuraDefines.h
+++ b/src/game/SpellAuraDefines.h
@@ -332,7 +332,7 @@ enum AuraType
     SPELL_AURA_DEFLECT_SPELLS,
     SPELL_AURA_288,
     SPELL_AURA_289,
-    SPELL_AURA_290,
+    SPELL_AURA_MOD_ALL_CRIT_CHANCE,
     SPELL_AURA_291,
     SPELL_AURA_292,
     SPELL_AURA_293,
diff --git a/src/game/SpellAuras.cpp b/src/game/SpellAuras.cpp
index 1d7a43a48..df294eeec 100644
--- a/src/game/SpellAuras.cpp
+++ b/src/game/SpellAuras.cpp
@@ -340,7 +340,7 @@ pAuraHandler AuraHandler[TOTAL_AURAS]=
     &Aura::HandleNoImmediateEffect,                         //287 SPELL_AURA_DEFLECT_SPELLS             implemented in Unit::MagicSpellHitResult and Unit::MeleeSpellHitResult
     &Aura::HandleUnused,                                    //288 increase parry/deflect, prevent attack
     &Aura::HandleUnused,                                    //289 unused
-    &Aura::HandleUnused,                                    //290 3 spells
+    &Aura::HandleAuraModAllCritChance,                      //290 SPELL_AURA_MOD_ALL_CRIT_CHANCE
     &Aura::HandleUnused,                                    //291 1 spell (+pct experience bonus)
     &Aura::HandleNULL,                                      //292 call stabled pet
     &Aura::HandleNULL,                                      //293 3 spells
@@ -7417,3 +7417,9 @@ void Aura::HandleModTargetArmorPct(bool apply, bool Real)
 
     ((Player*)m_target)->UpdateArmorPenetration();
 }
+
+void Aura::HandleAuraModAllCritChance(bool apply, bool Real)
+{
+    this->HandleAuraModCritPercent(apply, Real);
+    this->HandleModSpellCritChance(apply, Real);
+}
diff --git a/src/game/StatSystem.cpp b/src/game/StatSystem.cpp
index c305e9e74..32dc01b1d 100644
--- a/src/game/StatSystem.cpp
+++ b/src/game/StatSystem.cpp
@@ -586,6 +586,8 @@ void Player::UpdateSpellCritChance(uint32 school)
     crit += GetSpellCritFromIntellect();
     // Increase crit from SPELL_AURA_MOD_SPELL_CRIT_CHANCE
     crit += GetTotalAuraModifier(SPELL_AURA_MOD_SPELL_CRIT_CHANCE);
+    // Increase crit from SPELL_AURA_MOD_ALL_CRIT_CHANCE
+    crit += GetTotalAuraModifier(SPELL_AURA_MOD_ALL_CRIT_CHANCE);
     // Increase crit by school from SPELL_AURA_MOD_SPELL_CRIT_CHANCE_SCHOOL
     crit += GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_SPELL_CRIT_CHANCE_SCHOOL, 1<<school);
     // Increase crit from spell crit ratings