diff --git a/core.lua b/core.lua
index 2bf887e..b1da41d 100644
--- a/core.lua
+++ b/core.lua
@@ -258,8 +258,8 @@ function Aux_QualityColor(code)
 	end
 end
 
-function Aux.auction_signature(hyperlink, stack_size, amount)
-	return hyperlink .. (stack_size or '0') .. '_' .. (amount or '0')
+function Aux.auction_signature(hyperlink, stack_size, bid, amount)
+	return hyperlink .. (stack_size or '0') .. '_' .. (bid or '0') .. '_' .. (amount or '0')
 end
 
 function Aux.item_class_index(item_class)
diff --git a/item_search_frame.lua b/item_search_frame.lua
index c7098d9..e4348fa 100644
--- a/item_search_frame.lua
+++ b/item_search_frame.lua
@@ -746,7 +746,7 @@ function create_auction_record(auction_info, current_page)
         hyperlink = auction_info.hyperlink,
         page = current_page,
         bid = bid,
-        bid_per_unit = Aux_Round(bid/aux_quantity),
+        bid_per_unit = Aux_Round(bid / aux_quantity),
         owner = auction_info.owner,
         duration = auction_info.duration,
         usable = auction_info.usable,