diff --git a/include/boost/system/detail/error_code.hpp b/include/boost/system/detail/error_code.hpp
index 7d0dcda..1189fb4 100644
--- a/include/boost/system/detail/error_code.hpp
+++ b/include/boost/system/detail/error_code.hpp
@@ -58,12 +58,14 @@ namespace system
 //  and error_code containing a pointer to an object of a type derived
 //  from error_category.
 
+bool operator==( const error_code & code, const error_condition & condition ) BOOST_NOEXCEPT;
 std::size_t hash_value( error_code const & ec );
 
 class error_code
 {
 private:
 
+    friend bool operator==( const error_code & code, const error_condition & condition ) BOOST_NOEXCEPT;
     friend std::size_t hash_value( error_code const & ec );
 
 private:
@@ -438,48 +440,6 @@ public:
         return !( lhs == rhs );
     }
 
-    inline friend bool operator==( const error_code & code, const error_condition & condition ) BOOST_NOEXCEPT
-    {
-#if defined(BOOST_SYSTEM_HAS_SYSTEM_ERROR)
-
-        if( code.lc_flags_ == 1 )
-        {
-            return static_cast<std::error_code>( code ) == static_cast<std::error_condition>( condition );
-        }
-        else
-
-#endif
-        {
-            return code.category().equivalent( code.value(), condition ) || condition.category().equivalent( code, condition.value() );
-        }
-    }
-
-    inline friend bool operator==( const error_condition & condition, const error_code & code ) BOOST_NOEXCEPT
-    {
-#if defined(BOOST_SYSTEM_HAS_SYSTEM_ERROR)
-
-        if( code.lc_flags_ == 1 )
-        {
-            return static_cast<std::error_code>( code ) == static_cast<std::error_condition>( condition );
-        }
-        else
-
-#endif
-        {
-            return code.category().equivalent( code.value(), condition ) || condition.category().equivalent( code, condition.value() );
-        }
-    }
-
-    inline friend bool operator!=( const error_code & lhs, const error_condition & rhs ) BOOST_NOEXCEPT
-    {
-        return !( lhs == rhs );
-    }
-
-    inline friend bool operator!=( const error_condition & lhs, const error_code & rhs ) BOOST_NOEXCEPT
-    {
-        return !( lhs == rhs );
-    }
-
 #if defined(BOOST_SYSTEM_HAS_SYSTEM_ERROR)
 
     inline friend bool operator==( std::error_code const & lhs, error_code const & rhs ) BOOST_NOEXCEPT
@@ -682,6 +642,37 @@ public:
     }
 };
 
+inline bool operator==( const error_code & code, const error_condition & condition ) BOOST_NOEXCEPT
+{
+#if defined(BOOST_SYSTEM_HAS_SYSTEM_ERROR)
+
+    if( code.lc_flags_ == 1 )
+    {
+        return static_cast<std::error_code>( code ) == static_cast<std::error_condition>( condition );
+    }
+    else
+
+#endif
+    {
+        return code.category().equivalent( code.value(), condition ) || condition.category().equivalent( code, condition.value() );
+    }
+}
+
+inline bool operator==( const error_condition & condition, const error_code & code ) BOOST_NOEXCEPT
+{
+    return code == condition;
+}
+
+inline bool operator!=( const error_code & lhs, const error_condition & rhs ) BOOST_NOEXCEPT
+{
+    return !( lhs == rhs );
+}
+
+inline bool operator!=( const error_condition & lhs, const error_code & rhs ) BOOST_NOEXCEPT
+{
+    return !( lhs == rhs );
+}
+
 inline std::size_t hash_value( error_code const & ec )
 {
 #if defined(BOOST_SYSTEM_HAS_SYSTEM_ERROR)
diff --git a/test/error_code_test3.cpp b/test/error_code_test3.cpp
index 1c987b6..54d1468 100644
--- a/test/error_code_test3.cpp
+++ b/test/error_code_test3.cpp
@@ -56,8 +56,8 @@ int main()
     BOOST_TEST_EQ( ec, enomem_n );
     BOOST_TEST_EQ( enomem_n, ec );
 
-    // BOOST_TEST_EQ( en, enomem_c );
-    // BOOST_TEST_EQ( enomem_c, en );
+    BOOST_TEST_EQ( en, enomem_c );
+    BOOST_TEST_EQ( enomem_c, en );
 
     return boost::report_errors();
 }