diff --git a/turtles/mine.lua b/turtles/mine.lua
index 969dc4e..09dfe11 100644
--- a/turtles/mine.lua
+++ b/turtles/mine.lua
@@ -22,7 +22,7 @@ FUEL_POINT_S = 3
 FUEL_EXPECTATION = 2000
 FUEL_LOW = 1000
 
-SHAFT_DEPTH = 5
+SHAFT_DEPTH = 100
 
 -- Start at this position to find the next shaft
 next_shaft_side = 0