diff --git a/init.lua b/init.lua
index 09d2d83..bf1e58a 100644
--- a/init.lua
+++ b/init.lua
@@ -472,13 +472,21 @@ local function get_item_usages(item)
 end
 
 local function get_inv_items(player)
-	local invlist = player:get_inventory():get_list("main")
+	local inv = player:get_inventory()
+	local stacks = inv:get_list("main")
+	local craftlist = inv:get_list("craft")
+	for i = 1, #craftlist do
+		stacks[#stacks + 1] = craftlist[i]
+	end
 	local inv_items = {}
 
-	for i = 1, #invlist do
-		local stack = invlist[i]
+	for i = 1, #stacks do
+		local stack = stacks[i]
 		if not stack:is_empty() then
-			inv_items[#inv_items + 1] = stack:get_name()
+			local name = stack:get_name()
+			if not inv_items[name] and reg_items[name] then
+				inv_items[#inv_items + 1] = name
+			end
 		end
 	end
 
@@ -492,12 +500,9 @@ local function progressive_show_recipe(recipe, inv_items)
 		if item:sub(1,6) == "group:" then
 			local groups = extract_groups(item)
 			for i = 1, inv_items_size do
-				local item_def = reg_items[inv_items[i]]
-				if item_def then
-					local item_groups = item_def.groups
-					if item_has_groups(item_groups, groups) then
-						item_in_inv = true
-					end
+				local item_groups = reg_items[inv_items[i]].groups
+				if item_has_groups(item_groups, groups) then
+					item_in_inv = true
 				end
 			end
 		else