diff --git a/CryptoExchange.Net/OrderBook/SymbolOrderBook.cs b/CryptoExchange.Net/OrderBook/SymbolOrderBook.cs
index 9ead7c56..1a663bae 100644
--- a/CryptoExchange.Net/OrderBook/SymbolOrderBook.cs
+++ b/CryptoExchange.Net/OrderBook/SymbolOrderBook.cs
@@ -289,6 +289,7 @@ namespace CryptoExchange.Net.OrderBook
             if (!startResult.Success)
             {
                 Status = OrderBookStatus.Disconnected;
+                _queueEvent.Set();
                 return CallResult.Fail(startResult.Error!);
             }