diff --git a/miner.lua b/miner.lua
index 21dd131..d9b81de 100644
--- a/miner.lua
+++ b/miner.lua
@@ -171,7 +171,7 @@ local function mineProcedure()
     miner.mission = 'return-home'
     miner.lastPositionState = miner.robot.getState()
     print('> Starting return home procedure because mining session is finished...')
-  elseif robotState.x == MAX_X and robotState.z == MAX_Z then
+  elseif robotState.x == MAX_X and robotState.z == 0 then
     -- this part assume that the size of the mine is even
     miner.robot.turnRight()