diff --git a/libs/util/include/psemek/util/flag_set.hpp b/libs/util/include/psemek/util/flag_set.hpp
index 51a99259..36b45e78 100644
--- a/libs/util/include/psemek/util/flag_set.hpp
+++ b/libs/util/include/psemek/util/flag_set.hpp
@@ -19,7 +19,11 @@ namespace psemek::util
 
 		flag_set(flag_set const &) = default;
 
-		template <typename ... Flags>
+		flag_set(Repr const & repr)
+			: value(repr)
+		{}
+
+		template <typename ... Flags, typename = std::enable_if_t<(std::is_same_v<Flags, Flag> && ...), void>>
 		flag_set(Flags const & ... flags)
 			: value{((1 << static_cast<underlying_type>(flags)) | ...)}
 		{}