diff --git a/utility.hpp b/utility.hpp
index 51fe31d..941c909 100644
--- a/utility.hpp
+++ b/utility.hpp
@@ -29,8 +29,7 @@
 using DbusInterfaceList = std::vector<DbusInterface>;
 using DbusSubtree =
     std::map<DbusPath, std::map<DbusService, DbusInterfaceList>>;
-using DbusVariant =
-    std::variant<uint64_t, std::string, std::vector<std::string>>;
+using DbusVariant = std::variant<uint64_t, std::string, std::vector<uint64_t>>;
 using DbusPropertyMap = std::map<DbusProperty, DbusVariant>;
 /**
  * @brief Get the service name from the mapper for the