diff --git a/mods/ITEMS/mcl_core/nodes.lua b/mods/ITEMS/mcl_core/nodes.lua
index 1971b0c409..e1b89854f7 100644
--- a/mods/ITEMS/mcl_core/nodes.lua
+++ b/mods/ITEMS/mcl_core/nodes.lua
@@ -1149,6 +1149,7 @@ minetest.register_node("mcl_core:ladder", {
 	inventory_image = "default_ladder.png",
 	wield_image = "default_ladder.png",
 	paramtype = "light",
+	sunlight_propagates = true,
 	paramtype2 = "wallmounted",
 	walkable = true,
 	climbable = true,