diff --git a/src/serialize.h b/src/serialize.h
index 2eef4d206..44725c572 100644
--- a/src/serialize.h
+++ b/src/serialize.h
@@ -661,7 +661,11 @@ void Serialize_impl(Stream& os, const std::vector<T, A>& v, int nType, int nVers
 {
     WriteCompactSize(os, v.size());
     for (typename std::vector<T, A>::const_iterator vi = v.begin(); vi != v.end(); ++vi)
+#if defined(__APPLE__)
+        ::Serialize(os, static_cast<T>(*vi), nType, nVersion);
+#else
         ::Serialize(os, (*vi), nType, nVersion);
+#endif
 }
 
 template<typename Stream, typename T, typename A>