diff --git a/include/proto/stream_interface.h b/include/proto/stream_interface.h
index 0812d63..a6f6d33 100644
--- a/include/proto/stream_interface.h
+++ b/include/proto/stream_interface.h
@@ -47,6 +47,7 @@
 
 struct appctx *stream_int_register_handler(struct stream_interface *si, struct applet *app);
 void stream_int_unregister_handler(struct stream_interface *si);
+void si_applet_done(struct stream_interface *si);
 
 /* returns the channel which receives data from this stream interface (input channel) */
 static inline struct channel *si_ic(struct stream_interface *si)