diff --git a/cast.hpp b/cast.hpp
index 956f4a6e..1cf83484 100644
--- a/cast.hpp
+++ b/cast.hpp
@@ -178,6 +178,9 @@ namespace cruft::cast {
     {
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wcast-align"
+#ifdef COMPILER_GCC
+#pragma GCC diagnostic ignored "-Waddress-of-packed-member"
+#endif
         CHECK_MOD (reinterpret_cast<uintptr_t> (src), alignof (std::remove_pointer_t<DstT>));
         return reinterpret_cast<DstT> (src);
 #pragma GCC diagnostic pop