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-rw-r--r--pipeworks/tube_registration.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/pipeworks/tube_registration.lua b/pipeworks/tube_registration.lua
index 21eac29..48fa912 100644
--- a/pipeworks/tube_registration.lua
+++ b/pipeworks/tube_registration.lua
@@ -109,7 +109,7 @@ local register_one_tube = function(name, tname, dropname, desc, plain, noctrs, e
after_place_node = pipeworks.after_place,
after_dig_node = pipeworks.after_dig,
on_blast = function(pos, intensity)
- if intensity > 1 + 3^0.5 then
+ if not intensity or intensity > 1 + 3^0.5 then
minetest.remove_node(pos)
return {string.format("%s_%s", name, dropname)}
end