diff --git a/server/gameserver/netdata.cc b/server/gameserver/netdata.cc
index 2bd9229d..ae934854 100644
--- a/server/gameserver/netdata.cc
+++ b/server/gameserver/netdata.cc
@@ -774,8 +774,8 @@ float BattleDataContext::CalcDmg(Creature* target, IBullet* bullet)
     float vNormalDamageTakenRateIn = 0.0f;
     float vDmg = vAttack * vBullet / BDM * (1 + vNormalDamageDealtRateIn) * ( 1 + vNormalDamageTakenRateIn);
 
-    float vEbc = 0.0f;
-    float vEd = 0.0f;
+    float vEbc = 1.0f;
+    float vEd = 1 - target->GetNetData()->GetDef();
     float DDR = 0.0f;
     float DTR = 0.0f;
     float finaly_dmg = vDmg * vEbc * vEd * (1 + DDR) * (1 + DTR);