diff --git a/config/tunnels.lua b/config/tunnels.lua
index 2191cd9..1ed74d8 100644
--- a/config/tunnels.lua
+++ b/config/tunnels.lua
@@ -2,7 +2,7 @@ return {
   DIRECTION = 'right',
   DISTANCE_Z = 256,
   FUEL_MARGIN = 10,
-  VEIN_MODE = false,
+  VEIN_MODE = true,
   FUEL_MARGIN_VEIN_MODE = 1000,
   VEIN_ORES_WHITELIST = {
     ['mysticalagriculture:prosperity_ore'] = true,