diff --git a/tests/Tgstation.Server.Tests/Instance/WatchdogTest.cs b/tests/Tgstation.Server.Tests/Instance/WatchdogTest.cs
index fcbe9ca146..e5c93cae75 100644
--- a/tests/Tgstation.Server.Tests/Instance/WatchdogTest.cs
+++ b/tests/Tgstation.Server.Tests/Instance/WatchdogTest.cs
@@ -9,6 +9,7 @@ using System.Net;
 using System.Threading;
 using System.Threading.Tasks;
 using Tgstation.Server.Api.Models;
+using Tgstation.Server.Client;
 using Tgstation.Server.Client.Components;
 using Tgstation.Server.Host.Components.Interop;
 using Tgstation.Server.Host.System;
@@ -34,6 +35,12 @@ namespace Tgstation.Server.Tests.Instance
 				HeartbeatSeconds = 0,
 			}, cancellationToken);
 
+			await ApiAssert.ThrowsException<ApiConflictException>(() => instanceClient.DreamDaemon.Update(new DreamDaemon
+			{
+				SoftShutdown = true,
+				SoftRestart = true
+			}, cancellationToken), ErrorCode.DreamDaemonDoubleSoft);
+
 			await RunBasicTest(cancellationToken);
 			await RunHeartbeatTest(cancellationToken);