diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 581d021..bbeff39 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -2050,7 +2050,7 @@ void Human::CheckSkinTank()
             hum->last_tank_attacker = this;
             hum->last_tank_attack_idx = App::Instance()->NewUuid();
             float def = hum->def + hum->buff.def_add;
-            float finaly_dmg = MetaMgr::Instance()->tank_damage2 * (1 - def/MetaMgr::Instance()->K);
+            float finaly_dmg = MetaMgr::Instance()->tank_damage1 * (1 - def/MetaMgr::Instance()->K);
             hum->DecHP(finaly_dmg,
                        entity_uniid,
                        name,