diff --git a/src/server/game/Entities/Unit/Unit.cpp b/src/server/game/Entities/Unit/Unit.cpp
index 9cdb7343c..9cc2e85e3 100644
--- a/src/server/game/Entities/Unit/Unit.cpp
+++ b/src/server/game/Entities/Unit/Unit.cpp
@@ -19281,7 +19281,7 @@ float Unit::MeleeSpellMissChance(Unit const* victim, WeaponAttackType attType, i
             modOwner->ApplySpellMod(spellId, SPELLMOD_RESIST_MISS_CHANCE, hitChance);
     }
 
-    missChance += hitChance - 100.0f;
+    missChance -= hitChance - 100.0f;
 
     if (attType == RANGED_ATTACK)
         missChance -= m_modRangedHitChance;