diff --git a/oregen-manager.lua b/oregen-manager.lua
index fedb8fc..9a74d32 100644
--- a/oregen-manager.lua
+++ b/oregen-manager.lua
@@ -251,11 +251,19 @@ function getNumCraftable (ingredients, current_stock)
     return result
 end
 
-function craftRecipe (ticker, recipe, count)
-    if count == nil then count = 1 end
+function adjustStock (current_stock, recipe, count)
+    for _, ingredient in ipairs(recipe.ingredients) do
+        item, i_count = ingredient[1], ingredient[2]
+        current_stock[item] = current_stock[item] - (i_count * count)
+    end
+end
+
+function craftRecipe (ticker, recipe, current_stock)
+    local count = getNumCraftable(recipe.ingredients, current_stock)
     if recipe.limit ~= nil then
         count = math.min(count, recipe.limit)
     end
+    adjustStock(current_stock, recipe, count)
     local createRequest
     createRequest = function (recipe, i)
         if i == nil then i = 1 end
@@ -297,8 +305,7 @@ function run (ticker, export_storage, current_modes)
         if mode[1] == "recipe" then
             -- make as many recipes as you can with current stock
             local recipe = RECIPES[item]
-            local count = getNumCraftable(recipe.ingredients, stock_amounts)
-            craftRecipe(ticker, recipe, count)
+            craftRecipe(ticker, recipe, stock_amounts)
         elseif mode[1] == "export" then
             local export_amt = export_amounts[item]
             if export_amt == nil then export_amt = 0 end