diff --git a/include/ircd/m/txn.h b/include/ircd/m/txn.h
index 51a6bd875..8a68db45c 100644
--- a/include/ircd/m/txn.h
+++ b/include/ircd/m/txn.h
@@ -28,7 +28,7 @@ struct ircd::m::txn
 	json::property<name::pdus, json::array>
 >
 {
-	using array = std::pair<const json::value *, size_t>;
+	using array = vector_view<const json::value>;
 	static string_view create_id(const mutable_buffer &out, const string_view &txn);
 	static std::string create(const array &pdu, const array &edu, const array &pdu_failure = {});
 
diff --git a/ircd/m/m.cc b/ircd/m/m.cc
index 8072ffc1b..c8b72efe3 100644
--- a/ircd/m/m.cc
+++ b/ircd/m/m.cc
@@ -1193,25 +1193,25 @@ ircd::m::txn::create(const array &pdu,
 
 	const json::iov::add_if _pdus
 	{
-		iov, pdu.second,
+		iov, !empty(pdu),
 		{
-			"pdus", { pdu.first, pdu.second }
+			"pdus", { data(pdu), size(pdu) }
 		}
 	};
 
 	const json::iov::add_if _edus
 	{
-		iov, edu.second,
+		iov, !empty(edu),
 		{
-			"edus", { edu.first, edu.second }
+			"edus", { data(edu), size(edu) }
 		}
 	};
 
 	const json::iov::add_if _pdu_failures
 	{
-		iov, pdu_failure.second,
+		iov, !empty(pdu_failure),
 		{
-			"pdu_failures", { pdu_failure.first, pdu_failure.second }
+			"pdu_failures", { data(pdu_failure), size(pdu_failure) }
 		}
 	};
 
@@ -1403,7 +1403,6 @@ const
 	return true;
 }
 
-
 //
 // hook::site
 //