diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 430c563b..b18ec541 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -397,11 +397,7 @@ void Bullet::MapServiceUpdate()
                 }
             }
             move_length -= step_len;
-            // 999
-            #if 1
-            #else
-            SetPos(GetPos() + dir * step_len);
-            #endif
+            GetMutablePos().AddGlmVec3(dir * step_len);
             float distance = GetPos().Distance2D2(born_pos);
             if (room->OverBorder(GetPos(), gun_meta->bullet_rad())) {
                 if (IsBomb()) {