diff --git a/selutility.hpp b/selutility.hpp
index 8c51c54..27c2ca1 100644
--- a/selutility.hpp
+++ b/selutility.hpp
@@ -36,10 +36,9 @@
 using Id = uint32_t;
 using Timestamp = uint64_t;
 using Message = std::string;
-using AdditionalData = std::vector<std::string>;
-using AdditionalData2 = std::map<std::string, std::string>;
-using PropertyType = std::variant<Resolved, Id, Timestamp, Message,
-                                  AdditionalData, AdditionalData2>;
+using AdditionalData = std::map<std::string, std::string>;
+using PropertyType =
+    std::variant<Resolved, Id, Timestamp, Message, AdditionalData>;
 
 static constexpr auto selVersion = 0x51;
 static constexpr auto invalidTimeStamp = 0xFFFFFFFF;