diff --git a/appveyor.yml b/appveyor.yml
index 88e53d7..f760ac4 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,11 +1,11 @@
-version: 3.3.3.{build}
+version: 3.3.4.{build}
 
 assembly_info:
   patch: true
   file: AssemblyInfo.cs
   assembly_version: "3.3.0.0"
   assembly_file_version: "{version}"
-  assembly_informational_version: "3.3.3-CI-{build}"
+  assembly_informational_version: "3.3.4-CI-{build}"
 
 configuration: Release
 
diff --git a/src/Autofac.Integration.Mvc/AutofacDependencyResolver.cs b/src/Autofac.Integration.Mvc/AutofacDependencyResolver.cs
index 57922b9..adae505 100644
--- a/src/Autofac.Integration.Mvc/AutofacDependencyResolver.cs
+++ b/src/Autofac.Integration.Mvc/AutofacDependencyResolver.cs
@@ -149,7 +149,7 @@ public ILifetimeScope ApplicationContainer
         /// <param name="serviceType">Type of the service.</param>
         /// <returns>The single instance if resolved; otherwise, <c>null</c>.</returns>
         [SecurityCritical]
-        public object GetService(Type serviceType)
+        public virtual object GetService(Type serviceType)
         {
             return RequestLifetimeScope.ResolveOptional(serviceType);
         }
@@ -160,7 +160,7 @@ public object GetService(Type serviceType)
         /// <param name="serviceType">Type of the service.</param>
         /// <returns>The list of instances if any were resolved; otherwise, an empty list.</returns>
         [SecurityCritical]
-        public IEnumerable<object> GetServices(Type serviceType)
+        public virtual IEnumerable<object> GetServices(Type serviceType)
         {
             var enumerableServiceType = typeof(IEnumerable<>).MakeGenericType(serviceType);
             var instance = RequestLifetimeScope.Resolve(enumerableServiceType);
diff --git a/tests/Autofac.Tests.Integration.Mvc/AutofacDependencyResolverFixture.cs b/tests/Autofac.Tests.Integration.Mvc/AutofacDependencyResolverFixture.cs
index 865c1a4..81ee246 100644
--- a/tests/Autofac.Tests.Integration.Mvc/AutofacDependencyResolverFixture.cs
+++ b/tests/Autofac.Tests.Integration.Mvc/AutofacDependencyResolverFixture.cs
@@ -24,6 +24,7 @@
 // OTHER DEALINGS IN THE SOFTWARE.
 
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Web.Mvc;
 using Autofac.Integration.Mvc;
@@ -147,9 +148,11 @@ public void ConfigurationActionInvokedForNestedLifetime()
         public void DerivedResolverTypesCanStillBeCurrentResolver()
         {
             var container = new ContainerBuilder().Build();
-            var provider = new DerivedAutofacDependencyResolver(container);
-            DependencyResolver.SetResolver(provider);
-            Assert.AreEqual(provider, AutofacDependencyResolver.Current, "You should be able to derive from AutofacDependencyResolver and still use the Current property.");
+            var resolver = new DerivedAutofacDependencyResolver(container);
+            DependencyResolver.SetResolver(resolver);
+            Assert.AreEqual(resolver, AutofacDependencyResolver.Current, "You should be able to derive from AutofacDependencyResolver and still use the Current property.");
+            Assert.That(resolver.GetService(typeof(object)), Is.Not.Null);
+            Assert.That(resolver.GetServices(typeof(object)), Has.Length.EqualTo(1));
         }
 
         [Test]
@@ -206,9 +209,18 @@ public void GetServicesReturnsRegisteredService()
 
         private class DerivedAutofacDependencyResolver : AutofacDependencyResolver
         {
-            public DerivedAutofacDependencyResolver(IContainer container)
-                : base(container, new StubLifetimeScopeProvider(container))
+            public DerivedAutofacDependencyResolver(IContainer container) : base(container)
+            {
+            }
+
+            public override object GetService(Type serviceType)
+            {
+                return serviceType == typeof(object) ? new object() : base.GetService(serviceType);
+            }
+
+            public override IEnumerable<object> GetServices(Type serviceType)
             {
+                return serviceType == typeof(object) ? new[] {new object()} : base.GetServices(serviceType);
             }
         }
     }