diff --git a/Source/Framework/Constants/Spells/SpellConst.cs b/Source/Framework/Constants/Spells/SpellConst.cs
index 591cf57fe..3b7aa93f3 100644
--- a/Source/Framework/Constants/Spells/SpellConst.cs
+++ b/Source/Framework/Constants/Spells/SpellConst.cs
@@ -1979,7 +1979,7 @@ namespace Framework.Constants
         TargetMustBeGrounded = 0x400, // Target Must Be Grounded
         AllowWhileBanishedAuraState = 0x800, // Doesn't seem to be doing anything, banish behaves like a regular stun now - tested on patch 10.2.7 with spell 17767 (doesn't have this attribute, only SPELL_ATTR5_ALLOW_WHILE_STUNNED and was castable while banished)
         FaceUnitTargetUponCompletionOfJumpCharge = 0x1000, // Face unit target upon completion of jump charge
-        Slam = 0x2000, // 13
+        HasteAffectsMeleeAbilityCasttime = 0x2000, // Haste Affects Melee Ability Casttime
         UsableInRatedBattlegrounds = 0x4000, // 14 Can Be Used In Rated Battlegrounds
         Unk15 = 0x8000, // 15
         Unk16 = 0x10000, // 16
diff --git a/Source/Game/Entities/Object/WorldObject.cs b/Source/Game/Entities/Object/WorldObject.cs
index 011466ddc..38ecbdcc9 100644
--- a/Source/Game/Entities/Object/WorldObject.cs
+++ b/Source/Game/Entities/Object/WorldObject.cs
@@ -2041,6 +2041,8 @@ namespace Game.Entities
                 castTime = 0;
             else if (!(spellInfo.HasAttribute(SpellAttr0.IsAbility) || spellInfo.HasAttribute(SpellAttr0.IsTradeskill) || spellInfo.HasAttribute(SpellAttr3.IgnoreCasterModifiers)) && ((IsPlayer() && spellInfo.SpellFamilyName != 0) || IsCreature()))
                 castTime = unitCaster.CanInstantCast() ? 0 : (int)(castTime * unitCaster.m_unitData.ModCastingSpeed);
+            else if (spellInfo.HasAttribute(SpellAttr0.IsAbility) && spellInfo.HasAttribute(SpellAttr9.HasteAffectsMeleeAbilityCasttime))
+                castTime = (int)(castTime * unitCaster.m_modAttackSpeedPct[(int)WeaponAttackType.BaseAttack]);
             else if (spellInfo.HasAttribute(SpellAttr0.UsesRangedSlot) && !spellInfo.HasAttribute(SpellAttr2.AutoRepeat))
                 castTime = (int)(castTime * unitCaster.m_modAttackSpeedPct[(int)WeaponAttackType.RangedAttack]);
             else if (Global.SpellMgr.IsPartOfSkillLine(SkillType.Cooking, spellInfo.Id) && unitCaster.HasAura(67556)) // cooking with Chef Hat.