diff --git a/libs/util/include/psemek/util/unicode.hpp b/libs/util/include/psemek/util/unicode.hpp
index 66cf3f3b..55036094 100644
--- a/libs/util/include/psemek/util/unicode.hpp
+++ b/libs/util/include/psemek/util/unicode.hpp
@@ -58,6 +58,10 @@ namespace psemek::util
 			: str(str)
 		{}
 
+		utf8_range(std::string const & str)
+			: str(str)
+		{}
+
 		utf8_range(utf8_range const &) = default;
 
 		auto begin() const