diff --git a/Nop.Plugin.Misc.AuctionPlugin/Hubs/SignalRMessageHandler.cs b/Nop.Plugin.Misc.AuctionPlugin/Hubs/SignalRMessageHandler.cs
index ea9066a..f76aa6c 100644
--- a/Nop.Plugin.Misc.AuctionPlugin/Hubs/SignalRMessageHandler.cs
+++ b/Nop.Plugin.Misc.AuctionPlugin/Hubs/SignalRMessageHandler.cs
@@ -245,7 +245,7 @@ namespace Nop.Plugin.Misc.AuctionPlugin.Hubs
                 var product = await auctionService.GetProductById(bidRequestMessage.ProductId);
                 if (product == null) return;
 
-                if (IsValidBidPrice(product.Price, activeProductAuction.CurrentPrice, bidRequestMessage.BidPrice, customer)) return;
+                if (!IsValidBidPrice(product.Price, activeProductAuction.CurrentPrice, bidRequestMessage.BidPrice, customer)) return;
 
                 var auctionBid = bidRequestMessage.CreateMainEntity();
                 auctionBid.ProductAuctionMappingId = activeProductAuction.Id;
@@ -318,10 +318,10 @@ namespace Nop.Plugin.Misc.AuctionPlugin.Hubs
 	        if (productPrice >= bidRequestPrice || productToAuctionCurrentPrice >= bidRequestPrice || bidRequestPrice != GetNextBidPrice(productToAuctionCurrentPrice))
 	        {
 		        logger.Warning($"SignalRMessageHandler.IsValidBidPrice(); (productPrice >= bidRequestPrice || productToAuctionCurrentPrice >= bidRequestPrice || bidRequestPrice != GetNextBidPrice(productToAuctionCurrentPrice)); productPrice: {productPrice}; productToAuctionCurrentPrice: {productToAuctionCurrentPrice}; bidRequestPrice: {bidRequestPrice}", null, customer);
-		        return true;
+		        return false;
 	        }
 
-	        return false;
+	        return true;
         }
 
         private static decimal GetStepAmount(decimal currentBidPrice) => AuctionService.GetStepAmount(currentBidPrice);