diff --git a/test/util/math_sqrt.cpp b/test/util/math_sqrt.cpp
index b76e1f5f1..aba010cfe 100644
--- a/test/util/math_sqrt.cpp
+++ b/test/util/math_sqrt.cpp
@@ -118,7 +118,7 @@ BOOST_AUTO_TEST_CASE( test_math_sqrt_fundamental )
     check_sqrt<short, double>::apply(2, sqrt2);
     check_sqrt<int, double>::apply(2, sqrt2);
     check_sqrt<long, double>::apply(2L, sqrt2);
-#if ( __cplusplus >= 201103L )
+#if !defined(BOOST_NO_LONG_LONG)
     check_sqrt<long long, double>::apply(2LL, sqrt2);
 #endif
     check_sqrt<boost::long_long_type, double>::apply(2LL, sqrt2);