diff --git a/test/test_mock.cpp b/test/test_mock.cpp
index 4137a56..237610f 100644
--- a/test/test_mock.cpp
+++ b/test/test_mock.cpp
@@ -391,3 +391,36 @@ namespace
 }
 
 #endif //MOCK_VARIADIC_MACROS
+
+namespace
+{
+    struct base_1
+    {
+        virtual ~base_1()
+        {}
+        virtual void f_1() = 0;
+    };
+    struct base_2
+    {
+        virtual ~base_2()
+        {}
+        virtual void f_2() = 0;
+    };
+    MOCK_BASE_CLASS( mock_1, base_1 )
+    {
+        MOCK_METHOD( f_1, 0 )
+    };
+    MOCK_BASE_CLASS( mock_2, base_2 ), mock_1
+    {
+        MOCK_METHOD( f_2, 0 )
+    };
+}
+
+BOOST_AUTO_TEST_CASE( mock_object_can_inherit_from_another_mock_object )
+{
+    mock_2 m;
+    MOCK_EXPECT( m.f_1 ).once();
+    //MOCK_EXPECT( m.f_2 ).once();
+    //m.f_1();
+    //m.f_2();
+}
diff --git a/turtle/mock.hpp b/turtle/mock.hpp
index f747bf2..f4be66f 100644
--- a/turtle/mock.hpp
+++ b/turtle/mock.hpp
@@ -33,7 +33,7 @@
 #ifdef MOCK_VARIADIC_MACROS
 
 #define MOCK_BASE_CLASS(T, ...) \
-    struct T : __VA_ARGS__, mock::object, mock::detail::base< __VA_ARGS__ >
+    struct T : __VA_ARGS__, virtual mock::object, mock::detail::base< __VA_ARGS__ >
 
 #define MOCK_FUNCTOR(f, ...) \
     mock::detail::functor< MOCK_FUNCTION_TYPE((__VA_ARGS__),) > f, f##_mock
@@ -44,7 +44,7 @@
 #else // MOCK_VARIADIC_MACROS
 
 #define MOCK_BASE_CLASS(T, I) \
-    struct T : I, mock::object, mock::detail::base< I >
+    struct T : I, virtual mock::object, mock::detail::base< I >
 
 #define MOCK_FUNCTOR(f, S) \
     mock::detail::functor< MOCK_FUNCTION_TYPE(S,) > f, f##_mock