diff --git a/items.lua b/items.lua
index 7f877fe..201959f 100644
--- a/items.lua
+++ b/items.lua
@@ -219,7 +219,7 @@ end
 function Cache:findAllowedSlots(target)
   local matchingSlotsFunc = FILTER_MATCHING_SLOTS(target)
   local slots = self:find(function(detail)
-    return detail == nil or (detail.count < detail.maxCount and matchingSlotsFunc(detail))
+    return detail.count == nil or (detail.count < detail.maxCount and matchingSlotsFunc(detail))
   end)
   table.sort(slots, function (a, b)
     return (a.count ~= nil and (b.count == nil or a.maxCount > b.maxCount or (a.maxCount == b.maxCount and a.count > b.count)))