diff --git a/basic_machines/grinder.lua b/basic_machines/grinder.lua
index 97a8340..a3cc579 100644
--- a/basic_machines/grinder.lua
+++ b/basic_machines/grinder.lua
@@ -431,4 +431,5 @@ if minetest.global_exists("farming") then
 	techage.add_grinder_recipe({input="farming:seed_rice 6", output="farming:rice_flour"}, true)
 	techage.add_grinder_recipe({input="farming:oat 3", output="farming:flour"}, true)
 	techage.add_grinder_recipe({input="farming:seed_oat 6", output="farming:flour"}, true)
+	techage.add_grinder_recipe({input="farming:seed_cotton 3", output="basic_materials:oil_extract"}, true)
 end
diff --git a/iron_age/hammer.lua b/iron_age/hammer.lua
index 6cd786b..c760b61 100644
--- a/iron_age/hammer.lua
+++ b/iron_age/hammer.lua
@@ -29,16 +29,8 @@ function techage.register_stone_gravel_pair(stone_name, gravel_name)
 end
 
 -- Pipeworks uses a fakeplayer based on the owner of the nodebraker.
--- Since the fakeplayer position differs from the real player position,
--- this can be used to detect the fakeplayer.
 local function is_real_player(player)
-	if minetest.is_player(player) then
-		local obj = minetest.get_player_by_name(player:get_player_name())
-		if obj then
-			return vector.equals(obj:get_pos(), player:get_pos())
-		end
-	end
-	return false
+	return minetest.is_player(player) and not player.is_fake_player
 end
 
 local function handler(player_name, node, itemstack, digparams)