diff --git a/df_achievements/farming.lua b/df_achievements/farming.lua
index b0d8455..06469d7 100644
--- a/df_achievements/farming.lua
+++ b/df_achievements/farming.lua
@@ -60,6 +60,7 @@ local plant_node_achievements =
 }
 
 minetest.register_on_placenode(function(pos, newnode, placer, oldnode, itemstack, pointed_thing)
+	if placer == nil then return end
 	local player_name = placer:get_player_name()
 	if player_name == nil then return end
 	local player_awards = awards.player(player_name)
@@ -150,4 +151,4 @@ awards.register_achievement("dfcaverns_plant_all_farmables", {
 		achievement_name="dfcaverns_plant_all_farmables",
 		target=df_achievements.get_child_achievement_count("dfcaverns_plant_all_farmables"),
 	},
-})
\ No newline at end of file
+})