Fix a rare bug in leafdecay

diff --git a/mods/default/leafdecay.lua b/mods/default/leafdecay.lua
index 8f4ff9748f60fea32603f6685b716046c2d4b5b1..fe845736fa8ed5a46b48367cceb48fe82cc1a81c 100644 (file)
--- a/mods/default/leafdecay.lua
+++ b/mods/default/leafdecay.lua
@@ -47,7 +47,7 @@ minetest.register_abm({
                                local n = minetest.env:get_node(trunkp)
                                local reg = minetest.registered_nodes[n.name]
                                -- Assume ignore is a trunk, to make the thing work at the border of the active area
-                               if n.name == "ignore" or (reg.groups.tree and reg.groups.tree ~= 0) then
+                               if n.name == "ignore" or (reg and reg.groups.tree and reg.groups.tree ~= 0) then
                                        --print("cached trunk still exists")
                                        return
                                end