diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 2d24ee7..8a9bf19 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -135,8 +135,8 @@ void Bullet::ProcBomb()
     if (IsCurrWeapon() &&
         sender.Get() &&
         sender.Get()->GetAbility()->GetAttrAbs(kHAT_WeaponExplosionDealyTime) > 0) {
-        delay_time = delay_time / 1000 -
-            sender.Get()->GetAbility()->GetAttrAbs(kHAT_WeaponExplosionDealyTime) ;
+        delay_time = delay_time -
+            sender.Get()->GetAbility()->GetAttrAbs(kHAT_WeaponExplosionDealyTime) * 1000;
         delay_time = std::max(0, delay_time);
     }
     switch (meta->i->_inventory_slot()) {
@@ -180,7 +180,6 @@ void Bullet::ProcBomb()
     case IS_C4:
         {
             //c4
-            delay_time = gun_meta->i->missiles_time();
             ProcC4Bomb(c4_target, delay_time);
         }
         break;