diff --git a/test/Microsoft.AspNet.Hosting.Tests/HostingServicesFacts.cs b/test/Microsoft.AspNet.Hosting.Tests/HostingServicesFacts.cs
index 4fe3e36006..5e6e733da8 100644
--- a/test/Microsoft.AspNet.Hosting.Tests/HostingServicesFacts.cs
+++ b/test/Microsoft.AspNet.Hosting.Tests/HostingServicesFacts.cs
@@ -84,11 +84,12 @@ namespace Microsoft.AspNet.Hosting.Tests
             fallbackServices.AddTransient<IFakeService, FakeService>();
 
             // Act
-            var exp = Assert.Throws<InvalidOperationException>(() => HostingServices.Create(fallbackServices.BuildServiceProvider()));
+            var exception = Assert.Throws<InvalidOperationException>(() => HostingServices.Create(fallbackServices.BuildServiceProvider()));
 
 
             // Assert
-            Assert.True(exp.Message.Contains("No service for type 'Microsoft.Framework.DependencyInjection.ServiceLookup.IServiceManifest'"));
+            Assert.Equal($"No service for type '{typeof(IServiceManifest).FullName}' has been registered.",
+                         exception.Message);
         }
 
         private class ServiceManifest : IServiceManifest