diff --git a/tubelib_addons1/fermenter.lua b/tubelib_addons1/fermenter.lua
index f244f4f..98e7105 100644
--- a/tubelib_addons1/fermenter.lua
+++ b/tubelib_addons1/fermenter.lua
@@ -269,6 +269,7 @@ minetest.register_node("tubelib_addons1:fermenter_top", {
 	paramtype2 = "facedir",
 	groups = {crumbly=0, not_in_creative_inventory=1},
 	is_ground_content = false,
+	pointable = false,
 })
 
 minetest.register_craftitem("tubelib_addons1:biogas", {
diff --git a/tubelib_addons1/reformer.lua b/tubelib_addons1/reformer.lua
index 51d4811..35e387f 100644
--- a/tubelib_addons1/reformer.lua
+++ b/tubelib_addons1/reformer.lua
@@ -263,6 +263,7 @@ minetest.register_node("tubelib_addons1:reformer_top", {
 	paramtype2 = "facedir",
 	groups = {crumbly=0, not_in_creative_inventory=1},
 	is_ground_content = false,
+	pointable = false,
 })
 
 minetest.register_craftitem("tubelib_addons1:biofuel", {