diff --git a/include/ki/dml/Field.h b/include/ki/dml/Field.h
index b288909..6facc9a 100644
--- a/include/ki/dml/Field.h
+++ b/include/ki/dml/Field.h
@@ -116,6 +116,9 @@ namespace dml
 			if (!value.empty())
 				set_value_from_string(value);
 		}
+
+		std::string get_value_string() const override final;
+		void set_value_from_string(std::string value) override final;
 	private:
 		ValueT m_value;
 
@@ -126,7 +129,7 @@ namespace dml
 		Field<ValueT> *clone() const override final
 		{
 			auto *clone = new Field<ValueT>(m_name);
-			clone->m_transferable = true;
+			clone->m_transferable = m_transferable;
 			clone->m_value = m_value;
 			return clone;
 		}
@@ -151,9 +154,6 @@ namespace dml
 				throw value_error(oss.str());
 			}
 		}
-
-		std::string get_value_string() const;
-		void set_value_from_string(std::string value);
 	};
 
 	typedef Field<BYT> BytField;
@@ -183,6 +183,18 @@ namespace dml
 		iss >> m_value;
 	}
 
+	template <>
+	std::string BytField::get_value_string() const;
+
+	template <>
+	void BytField::set_value_from_string(std::string value);
+
+	template <>
+	std::string UBytField::get_value_string() const;
+
+	template <>
+	void UBytField::set_value_from_string(std::string value);
+
 	template <>
 	std::string StrField::get_value_string() const;
 
diff --git a/include/ki/dml/FieldBase.h b/include/ki/dml/FieldBase.h
index 6f7cc6d..509bebe 100644
--- a/include/ki/dml/FieldBase.h
+++ b/include/ki/dml/FieldBase.h
@@ -53,6 +53,9 @@ namespace dml
 		 * Creates a new Field from XML data.
 		 */
 		static FieldBase *create_from_xml(const rapidxml::xml_node<> *node);
+
+		virtual std::string get_value_string() const = 0;
+		virtual void set_value_from_string(std::string value) = 0;
 	protected:
 		std::string m_name;
 		bool m_transferable;
diff --git a/src/dml/types/BytField.cpp b/src/dml/types/BytField.cpp
index a2b088d..7b0a0f4 100644
--- a/src/dml/types/BytField.cpp
+++ b/src/dml/types/BytField.cpp
@@ -38,5 +38,22 @@ namespace dml
 	{
 		return "BYT";
 	}
+
+	template <>
+	std::string BytField::get_value_string() const
+	{
+		std::ostringstream oss;
+		oss << (int16_t)m_value;
+		return oss.str();
+	}
+
+	template <>
+	void BytField::set_value_from_string(std::string value)
+	{
+		std::istringstream iss(value);
+		int16_t temp = 0;
+		iss >> temp;
+		m_value = temp & 0xFF;
+	}
 }
 }
\ No newline at end of file
diff --git a/src/dml/types/UBytField.cpp b/src/dml/types/UBytField.cpp
index e470230..0534c80 100644
--- a/src/dml/types/UBytField.cpp
+++ b/src/dml/types/UBytField.cpp
@@ -38,5 +38,22 @@ namespace dml
 	{
 		return "UBYT";
 	}
+
+	template <>
+	std::string UBytField::get_value_string() const
+	{
+		std::ostringstream oss;
+		oss << (uint16_t)m_value;
+		return oss.str();
+	}
+
+	template <>
+	void UBytField::set_value_from_string(std::string value)
+	{
+		std::istringstream iss(value);
+		uint16_t temp = 0;
+		iss >> temp;
+		m_value = temp & 0xFF;
+	}
 }
 }