diff --git a/src/managesieve/managesieve-client.c b/src/managesieve/managesieve-client.c
index 604a7f03e8e1868f5c01d1cad478d065b7c5f01c..8404b914353f59339070f662081c95aec772c589 100644
--- a/src/managesieve/managesieve-client.c
+++ b/src/managesieve/managesieve-client.c
@@ -222,6 +222,10 @@ static const char *client_stats(struct client *client)
 			"Failed to expand managesieve_logout_format=%s: %s",
 			client->set->managesieve_logout_format, error);
 	}
+
+	event_add_int(client->event, "net_in_bytes", i_stream_get_absolute_offset(client->input));
+	event_add_int(client->event, "net_out_bytes", client->output->offset);
+
 	return str_c(str);
 }