diff --git a/ArchiSteamFarm/Statistics.cs b/ArchiSteamFarm/Statistics.cs
index 81a8fc55b..56d9cd2d8 100644
--- a/ArchiSteamFarm/Statistics.cs
+++ b/ArchiSteamFarm/Statistics.cs
@@ -488,10 +488,10 @@ namespace ArchiSteamFarm {
 										fairClassIDsToReceive[theirItem] = ++fairReceivedAmount;
 
 										// Filter their inventory for the sets we're trading or have traded with this user
-										HashSet<Steam.Asset> fairFiltered = theirInventory.Where(item => ((item.RealAppID == set.RealAppID) && (item.Type == set.Type) && (item.Rarity == set.Rarity)) || skippedSetsThisTrade.Any(skippedSets => (skippedSets.RealAppID == item.RealAppID) && (skippedSets.Type == item.Type) && (skippedSets.Rarity == item.Rarity))).Select(item => item.CreateShallowCopy()).ToHashSet();
+										HashSet<Steam.Asset> fairFiltered = theirInventory.Where(item => ((item.RealAppID == set.RealAppID) && (item.Type == set.Type) && (item.Rarity == set.Rarity)) || skippedSetsThisTrade.Contains((item.RealAppID, item.Type, item.Rarity))).Select(item => item.CreateShallowCopy()).ToHashSet();
 
 										// Copy list to HashSet<Steam.Asset>
-										HashSet<Steam.Asset> fairItemsToGive = Trading.GetTradableItemsFromInventory(ourInventory.Where(item => ((item.RealAppID == set.RealAppID) && (item.Type == set.Type) && (item.Rarity == set.Rarity)) || skippedSetsThisTrade.Any(skippedSets => (skippedSets.RealAppID == item.RealAppID) && (skippedSets.Type == item.Type) && (skippedSets.Rarity == item.Rarity))).Select(item => item.CreateShallowCopy()).ToHashSet(), fairClassIDsToGive.ToDictionary(classID => classID.Key, classID => classID.Value));
+										HashSet<Steam.Asset> fairItemsToGive = Trading.GetTradableItemsFromInventory(ourInventory.Where(item => ((item.RealAppID == set.RealAppID) && (item.Type == set.Type) && (item.Rarity == set.Rarity)) || skippedSetsThisTrade.Contains((item.RealAppID, item.Type, item.Rarity))).Select(item => item.CreateShallowCopy()).ToHashSet(), fairClassIDsToGive.ToDictionary(classID => classID.Key, classID => classID.Value));
 										HashSet<Steam.Asset> fairItemsToReceive = Trading.GetTradableItemsFromInventory(fairFiltered.Select(item => item.CreateShallowCopy()).ToHashSet(), fairClassIDsToReceive.ToDictionary(classID => classID.Key, classID => classID.Value));
 
 										// Actual check: