diff --git a/mods/fireflies/init.lua b/mods/fireflies/init.lua
index fd4802c..6309d5b 100644
--- a/mods/fireflies/init.lua
+++ b/mods/fireflies/init.lua
@@ -45,6 +45,7 @@ minetest.register_tool("fireflies:bug_net", {
 	description = "Bug Net",
 	inventory_image = "fireflies_bugnet.png",
 	on_use = function(itemstack, player, pointed_thing)
+		if not player then return itemstack end
 		if not pointed_thing or pointed_thing.type ~= "node" or
 				minetest.is_protected(pointed_thing.under, player:get_player_name()) then
 			return
@@ -104,6 +105,8 @@ minetest.register_node("fireflies:firefly_bottle", {
 	},
 	sounds = default.node_sound_glass_defaults(),
 	on_rightclick = function(pos, node, player, itemstack, pointed_thing)
+		if not player then return itemstack end
+
 		local lower_pos = {x = pos.x, y = pos.y + 1, z = pos.z}
 		if minetest.is_protected(pos, player:get_player_name()) or
 				minetest.get_node(lower_pos).name ~= "air" then