diff --git a/include/ircd/m/room.h b/include/ircd/m/room.h
index 2f65b3d51..0c7748876 100644
--- a/include/ircd/m/room.h
+++ b/include/ircd/m/room.h
@@ -253,6 +253,7 @@ struct ircd::m::room::origins
 
 	bool test(const closure_bool &view) const;
 	void for_each(const closure &view) const;
+	size_t count() const;
 
 	origins(const m::room &room)
 	:room{room}
diff --git a/ircd/m/room.cc b/ircd/m/room.cc
index 80754c907..1230d33b6 100644
--- a/ircd/m/room.cc
+++ b/ircd/m/room.cc
@@ -643,6 +643,19 @@ const
 // room::origins
 //
 
+size_t
+ircd::m::room::origins::count()
+const
+{
+	size_t ret{0};
+	for_each([&ret](const string_view &)
+	{
+		++ret;
+	});
+
+	return ret;
+}
+
 void
 ircd::m::room::origins::for_each(const closure &view)
 const