diff --git a/test/cfoa/insert_tests.cpp b/test/cfoa/insert_tests.cpp
index e1b53e68..229f0324 100644
--- a/test/cfoa/insert_tests.cpp
+++ b/test/cfoa/insert_tests.cpp
@@ -5,11 +5,16 @@
 
 #include "helpers.hpp"
 
+#include <boost/config.hpp>
 #include <boost/unordered/concurrent_flat_map.hpp>
 #include <boost/unordered/concurrent_flat_set.hpp>
 
 #include <boost/core/ignore_unused.hpp>
 
+#if defined(BOOST_MSVC)
+#pragma warning(disable : 4127) // conditional expression is constant
+#endif
+
 struct raii_convertible
 {
   int x = 0, y = 0 ;