diff --git a/move_controller/flycontroller.lua b/move_controller/flycontroller.lua
index 5606555..c23812f 100644
--- a/move_controller/flycontroller.lua
+++ b/move_controller/flycontroller.lua
@@ -61,8 +61,8 @@ local WRENCH_MENU = {
 
 local function formspec(nvm, meta)
 	local status = meta:get_string("status")
-	local path = meta:contains("fs_path") and meta:get_string("fs_path") or
-		meta:contains("path") and meta:get_string("path") or "0,3,0"
+	local path = minetest.formspec_escape(meta:contains("fs_path") and meta:get_string("fs_path") or
+		meta:contains("path") and meta:get_string("path") or "0,3,0")
 	return "size[8,6.7]" ..
 		"style_type[textarea;font=mono;textcolor=#FFFFFF;border=true]" ..
 		"box[0,-0.1;7.2,0.5;#c6e8ff]" ..
diff --git a/move_controller/movecontroller.lua b/move_controller/movecontroller.lua
index b68dbff..a9a4baa 100644
--- a/move_controller/movecontroller.lua
+++ b/move_controller/movecontroller.lua
@@ -60,7 +60,7 @@ local WRENCH_MENU = {
 
 local function formspec(nvm, meta)
 	local status = meta:get_string("status")
-	local path = meta:contains("path") and meta:get_string("path") or "0,3,0"
+	local path = minetest.formspec_escape(meta:contains("path") and meta:get_string("path") or "0,3,0")
 	local buttons
 	if meta:get_string("opmode") == "move xyz" then
 		buttons = "field[0.4,2.5;3.8,1;path;" .. S("Move distance") .. ";" .. path .. "]" ..