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-rw-r--r--autoplace_tubes.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/autoplace_tubes.lua b/autoplace_tubes.lua
index 385458c..c9d5d9f 100644
--- a/autoplace_tubes.lua
+++ b/autoplace_tubes.lua
@@ -131,7 +131,7 @@ local function tube_autoroute(pos)
end
function pipeworks.scan_for_tube_objects(pos)
- if pos == nil then return end
+ if not pos or not pos.x or not pos.y or not pos.z then return end
tube_autoroute({ x=pos.x-1, y=pos.y , z=pos.z })
tube_autoroute({ x=pos.x+1, y=pos.y , z=pos.z })
tube_autoroute({ x=pos.x , y=pos.y-1, z=pos.z })