diff --git a/src/main.lua b/src/main.lua
index 8e23011..77d1f8d 100644
--- a/src/main.lua
+++ b/src/main.lua
@@ -920,7 +920,7 @@ while true do
                 }, "HB_vprint_pairacknowledge")
             end
 
-            print("This turtle needs "..tostring(VP_calccost(stacks["stacks"][i], stacks["height"],dimensions["x"],dimensions["z"])).." blocks.")
+            print("This turtle needs "..tostring(VP_calccost(stacks["stacks"][expam+1], stacks["height"],dimensions["x"],dimensions["z"])).." blocks.")
             print("Please ensure that turtle has that many blocks and press enter to continue.")
             read("")