diff --git a/Nop.Plugin.Misc.AuctionPlugin/Services/AuctionService.cs b/Nop.Plugin.Misc.AuctionPlugin/Services/AuctionService.cs
index bb5397f..f057e39 100644
--- a/Nop.Plugin.Misc.AuctionPlugin/Services/AuctionService.cs
+++ b/Nop.Plugin.Misc.AuctionPlugin/Services/AuctionService.cs
@@ -236,6 +236,7 @@ public class AuctionService : IAuctionService
     public async Task<AuctionDto> GetAuctionDtoWithAuctionBids(int auctionId, bool activeProductOnly)
     {
         var auctionDto = await GetAuctionDtoByIdAsync(auctionId, true, activeProductOnly);
+        if (auctionDto == null) return null;
 
         foreach (var auctionDtoProductToAuctionDto in auctionDto.ProductToAuctionDtos)
         {