diff --git a/src/libraries/turtle/check.hpp b/src/libraries/turtle/check.hpp
index 13b1343..d6fb2ac 100644
--- a/src/libraries/turtle/check.hpp
+++ b/src/libraries/turtle/check.hpp
@@ -81,7 +81,7 @@ namespace detail
             BOOST_DEDUCED_TYPENAME boost::disable_if<
                 BOOST_DEDUCED_TYPENAME detail::is_functor< Expected >
             >::type* = 0 )
-            : desc_( format( expected ) )
+            : desc_( mock::format( expected ) )
         {
             BOOST_CONCEPT_ASSERT(( EqualityComparable< Expected, Actual > ));
             f_ = mock::equal( expected ).f_;
diff --git a/src/libraries/turtle/format.hpp b/src/libraries/turtle/format.hpp
index 67edc5d..72743f8 100644
--- a/src/libraries/turtle/format.hpp
+++ b/src/libraries/turtle/format.hpp
@@ -87,7 +87,7 @@ namespace protect
     template< typename T1, typename T2 >
     inline std::string format( const std::pair< T1, T2 >& p )
     {
-        return '(' + format( p.first ) + ',' + format( p.second ) + ')';
+        return '(' + mock::format( p.first ) + ',' + mock::format( p.second ) + ')';
     }
     template< typename T >
     std::string format( const T& begin, const T& end )
@@ -95,7 +95,7 @@ namespace protect
         std::stringstream s;
         s << '(';
         for( T it = begin; it != end; ++it )
-            s << (it == begin ? "" : ",") << format( *it );
+            s << (it == begin ? "" : ",") << mock::format( *it );
         s << ')';
         return s.str();
     }
diff --git a/src/libraries/turtle/function.hpp b/src/libraries/turtle/function.hpp
index e61c3b6..efd3ed9 100644
--- a/src/libraries/turtle/function.hpp
+++ b/src/libraries/turtle/function.hpp
@@ -203,7 +203,7 @@ namespace mock
             }
 
 #define MOCK_EXPECTATION_FORMAT(z, n, d) \
-    BOOST_PP_IF(n, + ", " +,) format( p##n )
+    BOOST_PP_IF(n, + ", " +,) mock::format( p##n )
 #define MOCK_EXPECTATION_CONTEXT(n) \
     context( BOOST_PP_REPEAT_FROM_TO(0, n, MOCK_EXPECTATION_FORMAT, BOOST_PP_EMPTY) )
 #define MOCK_EXPECTATION_OPERATOR(z, n, d) \
diff --git a/src/libraries/turtle/mock.hpp b/src/libraries/turtle/mock.hpp
index bfa3afc..7265a60 100644
--- a/src/libraries/turtle/mock.hpp
+++ b/src/libraries/turtle/mock.hpp
@@ -120,7 +120,8 @@ namespace detail
         const std::string& name, const T& t )
     {
         if( parent != "?" || e.tag() == "?" )
-            set_parent( e, parent + op + type_name( typeid( T ) ) + "::",
+            mock::detail::set_parent( e,
+                parent + op + mock::detail::type_name( typeid( T ) ) + "::",
                 name, t );
         return e;
     }
diff --git a/src/libraries/turtle/placeholder.hpp b/src/libraries/turtle/placeholder.hpp
index 13c41e1..d14907e 100644
--- a/src/libraries/turtle/placeholder.hpp
+++ b/src/libraries/turtle/placeholder.hpp
@@ -46,7 +46,7 @@ namespace detail
                                                      const T& t )
     {
         return detail::placeholder< Functor >( f,
-            name + "( " + format( t ) + " )" );
+            name + "( " + mock::format( t ) + " )" );
     }
 }