diff --git a/src/bin/TurtleCtl.hx b/src/bin/TurtleCtl.hx
index f74bead..111e94e 100644
--- a/src/bin/TurtleCtl.hx
+++ b/src/bin/TurtleCtl.hx
@@ -114,7 +114,7 @@ class TurtleCtl extends CLIAppBase {
 
 		registerAsyncSubcommand("tunnel", (args) -> {
 			var len = args.getInt("length");
-			return asynPerform(Helper.combine.bind([Turtle.dig.bind(Front), Turtle.forward, Turtle.dig.bind(Up)]), len);
+			return asynPerform(Helper.combine.bind([Turtle.digEmpty.bind(Front), Turtle.forward, Turtle.digEmpty.bind(Up)]), len);
 		}, [Int("length")]);
 	}