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-rw-r--r--compat-furnaces.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/compat-furnaces.lua b/compat-furnaces.lua
index abf087f..1894056 100644
--- a/compat-furnaces.lua
+++ b/compat-furnaces.lua
@@ -7,7 +7,7 @@ local DS = minetest.get_translator("default")
local fs_helpers = pipeworks.fs_helpers
-tube_entry = "^pipeworks_tube_connection_stony.png"
+local tube_entry = "^pipeworks_tube_connection_stony.png"
local function active_formspec(fuel_percent, item_percent, pos, meta)
local formspec =