diff --git a/include/boost/config/compiler/clang.hpp b/include/boost/config/compiler/clang.hpp
index 3cf6cc82..d6ea0cdd 100644
--- a/include/boost/config/compiler/clang.hpp
+++ b/include/boost/config/compiler/clang.hpp
@@ -9,7 +9,15 @@
 // Clang compiler setup.
 
 #define BOOST_HAS_PRAGMA_ONCE
-#define BOOST_HAS_PRAGMA_DETECT_MISSMATCH
+
+// Detecting `-fms-extension` compiler flag assuming that _MSC_VER defined when that flag is used.
+#if defined (_MSC_VER) && (__clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 4))
+    // Ignoring the checks on APPLE platform because someone made __clang_major__ equal to
+    // LLVM version rather than compiler version.
+#   ifndef __APPLE__
+#       define BOOST_HAS_PRAGMA_DETECT_MISSMATCH
+#   endif
+#endif
 
 // When compiling with clang before __has_extension was defined,
 // even if one writes 'defined(__has_extension) && __has_extension(xxx)',