diff --git a/chameleonic.p8 b/chameleonic.p8
index 570094f..32ed5e6 100644
--- a/chameleonic.p8
+++ b/chameleonic.p8
@@ -545,7 +545,12 @@ function level:can_move(
   local chk=false
   local w,h=1.6,0.2
   if (dmx==0) w,h=0.2,1.6
-  rectx,recty=dmx*(0.4>>>dmx),dmy*(0.4>>>dmy)
+
+  local rectx,recty
+  if (dmy==-1) rectx,recty=0.4,-0.8
+  if (dmy==1) rectx,recty=0.4,0.2
+  if (dmx==-1) rectx,recty=-0.8,0.4
+  if (dmx==1) rectx,recty=0.2,0.4
 
   if (player.rope:collide_mrect(mx0+rectx,my0+recty,w,h,exclude_src,exclude_dst)) return false
  end