diff --git a/src/Umbraco.Tests/PluginManagerTests.cs b/src/Umbraco.Tests/PluginManagerTests.cs
index c38f6ac37c..4610839fcf 100644
--- a/src/Umbraco.Tests/PluginManagerTests.cs
+++ b/src/Umbraco.Tests/PluginManagerTests.cs
@@ -160,14 +160,15 @@ namespace Umbraco.Tests
         {
             var tempFolder = IOHelper.MapPath("~/App_Data/TEMP/PluginCache");
             var manager = new PluginManager(false);
-            var filePath = Path.Combine(tempFolder, "umbraco-plugins.list");
+            var filePath= Path.Combine(tempFolder, string.Format("umbraco-plugins.{0}.list", NetworkHelper.FileSafeMachineName));
+
             File.WriteAllText(filePath, @"<?xml version=""1.0"" encoding=""utf-8""?>
 <plugins>
 <baseType type=""umbraco.interfaces.ICacheRefresher"">
 <add type=""umbraco.macroCacheRefresh, umbraco, Version=6.0.0.0, Culture=neutral, PublicKeyToken=null"" />
 </baseType>
 </plugins>");
-
+            
             Assert.IsTrue(manager.DetectLegacyPluginListFile());
 
             File.Delete(filePath);