diff --git a/chameleonic.p8 b/chameleonic.p8
index 084084c..228d081 100644
--- a/chameleonic.p8
+++ b/chameleonic.p8
@@ -659,8 +659,7 @@ end
 -- must be a free function
 --   to use as a foreach target
 function level_tug_crate(t)
- local self=level
- local mx0,my0,dmx,dmy=unpack(t)
+ local self,mx0,my0,dmx,dmy=level,unpack(t)
  local mxy0=_mix{mx0,my0}
  local existing=self._crates[mxy0]
  if (not existing) return