diff --git a/test/partial_workaround.cpp b/test/partial_workaround.cpp
index 3644177..f77827a 100755
--- a/test/partial_workaround.cpp
+++ b/test/partial_workaround.cpp
@@ -55,7 +55,7 @@ void check_partial_workaround()
     wchar_t*       w_ptr;
     const wchar_t* cw_ptr;
 
-	BOOST_STATIC_ASSERT( sizeof( yes_type ) == sizeof( is_string_impl( c_ptr ) ) );
+    BOOST_STATIC_ASSERT( sizeof( yes_type ) == sizeof( is_string_impl( c_ptr ) ) );
     BOOST_STATIC_ASSERT( sizeof( yes_type ) == sizeof( is_string_impl( cc_ptr ) ) );
     BOOST_STATIC_ASSERT( sizeof( yes_type ) == sizeof( is_string_impl( w_ptr ) ) );
     BOOST_STATIC_ASSERT( sizeof( yes_type ) == sizeof( is_string_impl( cw_ptr ) ) );