diff --git a/src/brulijam/shapebuilder.lua b/src/brulijam/shapebuilder.lua
index 1725cc7..f6e63b6 100644
--- a/src/brulijam/shapebuilder.lua
+++ b/src/brulijam/shapebuilder.lua
@@ -73,7 +73,9 @@ function buildShape(matrix)
     for j=1, #matrix[i] do
       --print(i .. "," .. j .. ": " .. matrix[i][j])
       --sleep(1)
-      turtle.placeDown()
+      if matrix[i][j] == 1 then
+        turtle.placeDown()
+      end
       turtle.forward()
     end
     for j=1, #matrix[i] do