diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index bbeff39..2ea714e 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -2031,7 +2031,7 @@ void Human::CheckSkinTank()
 
     if (tank_weapon.meta) {
         float old_rad = self_collider_->rad;
-        self_collider_->rad = tank_weapon.meta->i->rad2();
+        self_collider_->rad = skin_tank_meta->i->rad2();
         std::set<Human*> objects;
         for (auto& grid : grid_list) {
             for (Human* hum: grid->human_list) {