diff --git a/StandAlone/paths.lua b/StandAlone/paths.lua
index 2aed43a9..c61f8950 100644
--- a/StandAlone/paths.lua
+++ b/StandAlone/paths.lua
@@ -77,7 +77,7 @@ Event.register(defines.events.on_player_built_tile, function(event)
         end
         if not paths[surface.get_tile(old_tile.position).name] then remove_key(surface,pos) return end
         global_key(surface,old_tile.position)[2]=paths[surface.get_tile(old_tile.position).name][1]
-        global_key(surface,old_tile.pos)[3] = event.tick
+        global_key(surface,old_tile.position)[3] = event.tick
     end
 end)
 
@@ -88,7 +88,7 @@ Event.register(defines.events.on_player_mined_tile, function(event)
         if not paths[surface.get_tile(old_tile.position).name] then remove_key(surface,pos) return end
         global_key(surface,old_tile.position)[2]=paths[surface.get_tile(old_tile.position).name][1]
     end
-    global_key(surface,pos)[3] = event.tick
+    global_key(surface,old_tile.position)[3] = event.tick
 end)
 
 Event.register(defines.events.on_player_changed_position, function(event)