diff --git a/delimited_list.test/0.cc b/delimited_list.test/0.cc
index 5af3f47..485c964 100644
--- a/delimited_list.test/0.cc
+++ b/delimited_list.test/0.cc
@@ -21,7 +21,8 @@ static auto init= Alepha::Utility::enroll <=[]
 		[]( std::vector< std::string > names )
 		{
 			std::ostringstream oss;
-			oss << Alepha::StartDelimitedList{ ", "s };
+			auto delim= adaptStream( Alepha::StartDelimitedList{ ", "s }, oss );
+
 			for( const auto &name: names )
 			{
 				oss << Alepha::NextItem << name;
@@ -42,13 +43,14 @@ static auto init= Alepha::Utility::enroll <=[]
 			std::ostringstream oss;
 			oss << setDelimiter( Alepha::IOStreams::fieldDelimiter, ", " );
 
-			oss << Alepha::StartDelimitedList
-			{
-				[]( std::ostream &os )
+			auto delim= adaptStream( Alepha::StartDelimitedList
 				{
-					os << Alepha::IOStreams::fieldDelimiter;
-				}
-			};
+					[]( std::ostream &os )
+					{
+						os << Alepha::IOStreams::fieldDelimiter;
+					}
+				},
+				oss );
 
 			for( const auto &name: names )
 			{