diff --git a/include/gp/enveloppe/cbor.hpp b/include/gp/enveloppe/cbor.hpp
index 65ab6d8..0b3dc45 100644
--- a/include/gp/enveloppe/cbor.hpp
+++ b/include/gp/enveloppe/cbor.hpp
@@ -88,7 +88,7 @@ namespace gp {
 	using cbor_composite = gp::fixed_variant<
 		undefined_t,
 		cbor_number,
-		gp::buffer<std::byte>,
+		gp::vector<std::byte>,
 		bool,
 		gp::vector<T>,
 		gp::vector<gp::pair<T, T>>,
@@ -227,8 +227,8 @@ namespace gp {
 						ref.value
 					);
 				}
-				case cbor_composite<cbor_value>::alt<gp::buffer<std::byte>>(): {
-					auto& ref = contents.value<gp::buffer<std::byte>>();
+				case cbor_composite<cbor_value>::alt<gp::vector<std::byte>>(): {
+					auto& ref = contents.value<gp::vector<std::byte>>();
 					auto it = encode_length(
 						dest,
 						cbor_type::bstr,
diff --git a/tests/cbor_test.cpp b/tests/cbor_test.cpp
index 5f40213..c7c1961 100644
--- a/tests/cbor_test.cpp
+++ b/tests/cbor_test.cpp
@@ -107,9 +107,12 @@ struct cbor_test : public test_scaffold {
 			gp_config::assertion(serialized == serialized_manual, "data did not serialize correctly");
 		}
 		{
-			gp::array<char, 5> str{'h', 'e', 'l', 'l', 'o'};
+			gp::vector<std::byte> str{alloc};
+			str.reserve(5);
+			for(auto a : {'h', 'e', 'l', 'l', 'o'})
+				str.push_back((std::byte)a);
 			gp::cbor_value data{alloc};
-			data = str.as_buffer().cast<std::byte>();
+			data = str;
 
 			gp::array<std::byte, 6> serialized;
 			gp::array<std::byte, 6> serialized_manual{