diff --git a/gdk/broadway/broadway-server.c b/gdk/broadway/broadway-server.c
index c3e0b34c41..951c7035c1 100644
--- a/gdk/broadway/broadway-server.c
+++ b/gdk/broadway/broadway-server.c
@@ -1289,7 +1289,7 @@ handle_incoming_connection (GSocketService    *service,
     }
   else
     {
-      request->connection = g_object_ref (connection);
+      request->connection = G_IO_STREAM (g_object_ref (connection));
     }
 
   in = g_io_stream_get_input_stream (request->connection);