Avoid a nil index crash

diff --git a/technic/frames.lua b/technic/frames.lua
index 0e095bdb78349ad84950ca40d1f669d83724f53a..f555368722fcf37975cb1f709df39e4f2774e56a 100644 (file)
--- a/technic/frames.lua
+++ b/technic/frames.lua
@@ -373,8 +373,8 @@ function move_nodes_vect(poslist,vect)
        end
        for _,obj in ipairs(objects) do
                obj:setpos(addVect(obj:getpos(),vect))
-               if obj:get_luaentity().name == "pipeworks:tubed_item" then
-                       le=obj:get_luaentity()
+               le=obj:get_luaentity()
+               if le and le.name == "pipeworks:tubed_item" then
                        le.start_pos=addVect(le.start_pos,vect)
                end
        end