diff --git a/include/nameof.hpp b/include/nameof.hpp
index 547080b..69e3795 100644
--- a/include/nameof.hpp
+++ b/include/nameof.hpp
@@ -60,6 +60,8 @@
 
 #if defined(__clang__)
 #  pragma clang diagnostic push
+#  pragma clang diagnostic ignored "-Wunknown-warning-option"
+#  pragma clang diagnostic ignored "-Wenum-constexpr-conversion"
 #elif defined(__GNUC__)
 #  pragma GCC diagnostic push
 #  pragma GCC diagnostic ignored "-Wstringop-overflow" // Missing terminating nul 'enum_name_v'.