diff --git a/init.lua b/init.lua
index 069c2eb02f86ae26bfdc91c41cd7deb6ba252aa1..12365977983c2aeb19c5c25b89644d186bf774d1 100644
--- a/init.lua
+++ b/init.lua
@@ -69,6 +69,7 @@ for id = 1, ledCount do
         core.register_node("ledtree:led" .. id .. "_" .. texture, {
             description = "LED" .. id .." " .. texture,
             tiles = {texture .. ".png",},
+            light_source = 10,
             on_rightclick = function(pos, node, player, itemstack, pointed_thing)
                 change_color(player, id, pos)
             end,