diff --git a/mods/ITEMS/mcl_core/nodes_liquid.lua b/mods/ITEMS/mcl_core/nodes_liquid.lua
index 4efea58d4..40de3aebb 100644
--- a/mods/ITEMS/mcl_core/nodes_liquid.lua
+++ b/mods/ITEMS/mcl_core/nodes_liquid.lua
@@ -106,6 +106,7 @@ minetest.register_node("mcl_core:lava_flowing", {
 			animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=6.6}
 		},
 	},
+	paramtype = "light",
 	paramtype2 = "flowingliquid",
 	-- Real light level: 15 (but Minetest caps at 14)
 	light_source = 14,
@@ -156,6 +157,7 @@ Lava interacts with water various ways:
 		}
 	},
 	-- Real light level: 15 (but Minetest caps at 14)
+	paramtype = "light",
 	light_source = 14,
 	sounds = mcl_sounds.node_sound_lava_defaults(),
 	walkable = false,