diff --git a/src/usinstances.cpp b/src/usinstances.cpp
index 7546c621..337d815f 100644
--- a/src/usinstances.cpp
+++ b/src/usinstances.cpp
@@ -46,7 +46,7 @@ template _CRTIMP2 bool __cdecl operator<(
 template _CRTIMP2 bool __cdecl operator>(
    const basic_string<unsigned short, char_traits<unsigned short>, allocator<unsigned short> >&,
    const basic_string<unsigned short, char_traits<unsigned short>, allocator<unsigned short> >&);
-#if BOOST_WORKAROUND(BOOST_MSVC, > 1300) && BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)
+#if BOOST_WORKAROUND(BOOST_MSVC, > 1300) && BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400))
 template<> _CRTIMP2 std::size_t __cdecl char_traits<unsigned short>::length(unsigned short const*);
 #endif
 }
@@ -57,3 +57,4 @@ template<> _CRTIMP2 std::size_t __cdecl char_traits<unsigned short>::length(unsi
 
 #endif
 
+