diff --git a/basis/fly_lib.lua b/basis/fly_lib.lua
index c05d36a..451be3b 100644
--- a/basis/fly_lib.lua
+++ b/basis/fly_lib.lua
@@ -75,14 +75,15 @@ function flylib.distance(v)
 	return math.abs(v.x) + math.abs(v.y) + math.abs(v.z)
 end
 
-function flylib.to_vector(s)
+function flylib.to_vector(s, max_dist)
 	local x,y,z = unpack(string.split(s, ","))
+	x = tonumber(x) or 0
+	y = tonumber(y) or 0
+	z = tonumber(z) or 0
 	if x and y and z then
-		return {
-			x=tonumber(x) or 0,
-			y=tonumber(y) or 0,
-			z=tonumber(z) or 0,
-		}
+		if not max_dist or (math.abs(x) + math.abs(y) + math.abs(z)) <= max_dist then
+			return {x = x, y = y, z = z}
+		end
 	end
 end
 
diff --git a/move_controller/movecontroller.lua b/move_controller/movecontroller.lua
index 9607ea3..db81636 100644
--- a/move_controller/movecontroller.lua
+++ b/move_controller/movecontroller.lua
@@ -22,7 +22,7 @@ local MP = minetest.get_modpath("techage")
 local fly  = dofile(MP .. "/basis/fly_lib.lua")
 local mark = dofile(MP .. "/basis/mark_lib.lua")
 
-local MAX_DIST = 100
+local MAX_DIST = 200
 local MAX_BLOCKS = 16
 
 local WRENCH_MENU = {
@@ -183,7 +183,7 @@ minetest.register_node("techage:ta4_movecontroller", {
 			if fly.to_vector(fields.path or "", MAX_DIST) then
 				meta:set_string("path", fields.path)
 			end
-			local line = fly.to_vector(meta:get_string("path"))
+			local line = fly.to_vector(meta:get_string("path"), MAX_DIST)
 			if line then
 				nvm.running = true
 				fly.move_to(pos, line)
@@ -240,7 +240,7 @@ techage.register_node({"techage:ta4_movecontroller"}, {
 			nvm.running = true
 			return fly.move_to_other_pos(pos, nvm.moveBA == false)
 		elseif move_xyz and topic == "move2" then
-			local line = fly.to_vector(payload)
+			local line = fly.to_vector(payload, MAX_DIST)
 			if line then
 				nvm.running = true
 				nvm.controller_mode = true