diff --git a/src/common.lua b/src/common.lua
index 7978c31..b9465ad 100644
--- a/src/common.lua
+++ b/src/common.lua
@@ -408,6 +408,7 @@ end
 local function craft_stack(player, data, craft_rcp)
 	local inv = player:get_inventory()
 	local rcp_usg = craft_rcp and "recipe" or "usage"
+	local rcp_def = rcp_usg == "recipe" and data.recipes[data.rnum] or data.usages[data.unum]
 	local output = craft_rcp and data.recipes[data.rnum].output or data.usages[data.unum].output
 	      output = ItemStack(output)
 	local stackname, stackcount, stackmax = output:get_name(), output:get_count(), output:get_stack_max()
@@ -441,6 +442,14 @@ local function craft_stack(player, data, craft_rcp)
 		end
 	end
 
+	if rcp_def.replacements then
+		for _, v in ipairs(rcp_def.replacements) do
+		for _, item2 in ipairs(v) do
+			get_stack(player, ItemStack(item2))
+		end
+		end
+	end
+
 	local count = stackcount * scrbar_val
 	local iter = ceil(count / stackmax)
 	local leftover = count