diff --git a/src/main/programs/turtle-miner-stupidExcavate.lua b/src/main/programs/turtle-miner-stupidExcavate.lua
index fd45272..cc93469 100644
--- a/src/main/programs/turtle-miner-stupidExcavate.lua
+++ b/src/main/programs/turtle-miner-stupidExcavate.lua
@@ -23,14 +23,18 @@ local function digLayer(a)
             turtle.digDown()
             turtle.forward()
         end
-        if i%2==0 then
-            turtle.turnRight()
-            turtle.forward()
-            turtle.turnRight()
-        else
-            turtle.turnLeft()
-            turtle.forward()
-            turtle.turnLeft()
+        if i<a then
+            if i%2==0 then
+                turtle.turnRight()
+                turtle.forward()
+                turtle.turnRight()
+                turtle.forward()
+            else
+                turtle.turnLeft()
+                turtle.forward()
+                turtle.turnLeft()
+                turtle.forward()
+            end
         end
     end