diff --git a/osu.Game/Tests/CleanRunHeadlessGameHost.cs b/osu.Game/Tests/CleanRunHeadlessGameHost.cs
index 7d7f011f6a..1c341ea243 100644
--- a/osu.Game/Tests/CleanRunHeadlessGameHost.cs
+++ b/osu.Game/Tests/CleanRunHeadlessGameHost.cs
@@ -1,6 +1,7 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
 using System.Runtime.CompilerServices;
 using osu.Framework.Testing;
 
@@ -14,13 +15,12 @@ namespace osu.Game.Tests
         /// <summary>
         /// Create a new instance.
         /// </summary>
-        /// <param name="gameSuffix">An optional suffix which will isolate this host from others called from the same method source.</param>
         /// <param name="bindIPC">Whether to bind IPC channels.</param>
         /// <param name="realtime">Whether the host should be forced to run in realtime, rather than accelerated test time.</param>
         /// <param name="bypassCleanup">Whether to bypass directory cleanup on host disposal. Should be used only if a subsequent test relies on the files still existing.</param>
         /// <param name="callingMethodName">The name of the calling method, used for test file isolation and clean-up.</param>
-        public CleanRunHeadlessGameHost(string gameSuffix = @"", bool bindIPC = false, bool realtime = true, bool bypassCleanup = false, [CallerMemberName] string callingMethodName = @"")
-            : base(callingMethodName + gameSuffix, bindIPC, realtime, bypassCleanup: bypassCleanup)
+        public CleanRunHeadlessGameHost(bool bindIPC = false, bool realtime = true, bool bypassCleanup = false, [CallerMemberName] string callingMethodName = @"")
+            : base($"{callingMethodName}-{Guid.NewGuid()}", bindIPC, realtime, bypassCleanup: bypassCleanup)
         {
         }