diff --git a/include/fmt/core.h b/include/fmt/core.h
index 1c6c855d..efe6c8e5 100644
--- a/include/fmt/core.h
+++ b/include/fmt/core.h
@@ -1285,7 +1285,7 @@ template <typename Context> class basic_format_args {
    */
   template <typename... Args>
   basic_format_args(const format_arg_store<Context, Args...>& store)
-      : types_(static_cast<unsigned long long>(store.types)) {
+      : types_(store.types) {
     set_data(store.data_);
   }