diff --git a/tools/Microsoft.AspNet.Server.Kestrel.LibuvCopier/Program.cs b/tools/Microsoft.AspNet.Server.Kestrel.LibuvCopier/Program.cs
index 9ee4d03ad7..b76dd16fe8 100644
--- a/tools/Microsoft.AspNet.Server.Kestrel.LibuvCopier/Program.cs
+++ b/tools/Microsoft.AspNet.Server.Kestrel.LibuvCopier/Program.cs
@@ -66,7 +66,7 @@ namespace Microsoft.AspNet.Server.Kestrel.LibuvCopier
 #if DNX451
             return Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
 #else
-            var runtimeEnv = PlatformServices.Default.Runtime;
+            var runtimeEnv = Extensions.PlatformAbstractions.PlatformServices.Default.Runtime;
             if (runtimeEnv.OperatingSystem == "Windows")
             {
                 return Environment.GetEnvironmentVariable("USERPROFILE") ??