diff --git a/src/main/programs/turtle-miner-fibo.lua b/src/main/programs/turtle-miner-fibo.lua
index 3705a67..10e142d 100644
--- a/src/main/programs/turtle-miner-fibo.lua
+++ b/src/main/programs/turtle-miner-fibo.lua
@@ -212,7 +212,7 @@ local function mineChunk()
     
     --turn back and return to start of row if not last row
     
-    if i<state["dataGoalRows"]-1 then
+    if i<state["dataGoalRows"] then
       turtle.turnLeft()
       turtle.turnLeft()
       --while not turtle.detect() do