diff --git a/src/game/Unit.cpp b/src/game/Unit.cpp
index 309b5516d..8d6d08902 100644
--- a/src/game/Unit.cpp
+++ b/src/game/Unit.cpp
@@ -2287,8 +2287,8 @@ bool Unit::isSpellBlocked(Unit *pVictim, SpellEntry const *spellProto, WeaponAtt
            ((Creature*)pVictim)->GetCreatureInfo()->flags_extra & CREATURE_FLAG_EXTRA_NO_BLOCK )
                 return false;
 
-        float blockChance = GetUnitBlockChance();
-        blockChance += (GetWeaponSkillValue(attackType) - pVictim->GetMaxSkillValueForLevel() )*0.04;
+        float blockChance = pVictim->GetUnitBlockChance();
+        blockChance += (int32(GetWeaponSkillValue(attackType)) - int32(pVictim->GetMaxSkillValueForLevel()))*0.04f;
         if (roll_chance_f(blockChance))
             return true;
     }