diff --git a/src/server/game/Entities/Unit/Unit.cpp b/src/server/game/Entities/Unit/Unit.cpp
index 089b9cd45..9ee693b29 100644
--- a/src/server/game/Entities/Unit/Unit.cpp
+++ b/src/server/game/Entities/Unit/Unit.cpp
@@ -2234,7 +2234,7 @@ uint32 Unit::CalcArmorReducedDamage(Unit const* attacker, Unit const* victim, co
     return uint32(std::ceil(std::max(damage * (1.0f - tmpvalue), 0.0f)));
 }
 
-float Unit::GetEffectiveResistChance(Unit const* owner, SpellSchoolMask schoolMask, Unit const* victim)
+float Unit::GetEffectiveResistChance(Unit const* owner, SpellSchoolMask schoolMask, Unit const* victim, SpellInfo const* spellInfo /*= nullptr*/)
 {
     float victimResistance = static_cast<float>(victim->GetResistance(schoolMask));
     if (owner)
@@ -2252,7 +2252,8 @@ float Unit::GetEffectiveResistChance(Unit const* owner, SpellSchoolMask schoolMa
     }
 
     victimResistance = std::max(victimResistance, 0.0f);
-    if (owner)
+
+    if (owner && (!spellInfo || !spellInfo->HasAttribute(SPELL_ATTR0_CU_BINARY_SPELL)))
         victimResistance += std::max(static_cast<float>(victim->GetLevel() - owner->GetLevel()) * 5.0f, 0.0f);
 
     float level = static_cast<float>(victim->GetLevel());
@@ -3555,9 +3556,8 @@ SpellMissInfo Unit::MagicSpellHitResult(Unit* victim, SpellInfo const* spellInfo
             tmp += victim->GetMaxNegativeAuraModifierByMiscValue(SPELL_AURA_MOD_DEBUFF_RESISTANCE, int32(spellInfo->Dispel)) * 100;
         }
 
-        // Players resistance for binary spells
         if (spellInfo->HasAttribute(SPELL_ATTR0_CU_BINARY_SPELL) && (spellInfo->GetSchoolMask() & (SPELL_SCHOOL_MASK_NORMAL | SPELL_SCHOOL_MASK_HOLY)) == 0)
-            tmp += int32(Unit::GetEffectiveResistChance(this, spellInfo->GetSchoolMask(), victim) * 10000.0f); // 100 for spell calculations, and 100 for return value percentage
+            tmp += int32(Unit::GetEffectiveResistChance(this, spellInfo->GetSchoolMask(), victim, spellInfo) * 10000.0f);
     }
 
     // Roll chance
diff --git a/src/server/game/Entities/Unit/Unit.h b/src/server/game/Entities/Unit/Unit.h
index 94ec2e962..cd0639da7 100644
--- a/src/server/game/Entities/Unit/Unit.h
+++ b/src/server/game/Entities/Unit/Unit.h
@@ -1191,7 +1191,7 @@ public:
     int32 GetMechanicResistChance(SpellInfo const* spell);
     [[nodiscard]] uint32 GetResistance(SpellSchoolMask mask) const;
     [[nodiscard]] uint32 GetResistance(SpellSchools school) const { return GetUInt32Value(static_cast<uint16>(UNIT_FIELD_RESISTANCES) + school); }
-    static float GetEffectiveResistChance(Unit const* owner, SpellSchoolMask schoolMask, Unit const* victim);
+    static float GetEffectiveResistChance(Unit const* owner, SpellSchoolMask schoolMask, Unit const* victim, SpellInfo const* spellInfo = nullptr);
 
     void SetResistance(SpellSchools school, int32 val) { SetStatInt32Value(static_cast<uint16>(UNIT_FIELD_RESISTANCES) + school, val); }
     void UpdateResistanceBuffModsMod(SpellSchools school);