diff --git a/miner.lua b/miner.lua
index 7dfe62d..4b62113 100644
--- a/miner.lua
+++ b/miner.lua
@@ -4,8 +4,8 @@ local config = require('config-miner')
 
 local LOWER_SIZE_LIMIT = 2;
 local HIGHER_SIZE_LIMIT = 128;
-local FUEL_NEEDED_MULTIPLIER = 3
-local ADDITIONAL_FUEL_NEEDED = 256
+local FUEL_NEEDED_MULTIPLIER = 4
+local ADDITIONAL_FUEL_NEEDED = 1024
 
 local INITIAL_TARGET_Y = config.targetY - config.startY
 local TARGET_Z = config.size - 1