diff --git a/src/Library/CreatureData/CreatureSpecies.hpp b/src/Library/CreatureData/CreatureSpecies.hpp
index 09d9e33..5401c11 100644
--- a/src/Library/CreatureData/CreatureSpecies.hpp
+++ b/src/Library/CreatureData/CreatureSpecies.hpp
@@ -40,7 +40,7 @@ namespace CreatureLib::Library {
         [[nodiscard]] Gender GetRandomGender(Core::Random& rand) const;
         [[nodiscard]] const std::string& GetName() const;
 
-        void SetVariant(const std::string& name, const SpeciesVariant* variant) { _variants[name] = variant; }
+        void SetVariant(const std::string& name, const SpeciesVariant* variant) { _variants.insert({name, variant}); }
     };
 }