diff --git a/include/proto/stream_interface.h b/include/proto/stream_interface.h
index 22d05be..cf45c5e 100644
--- a/include/proto/stream_interface.h
+++ b/include/proto/stream_interface.h
@@ -326,7 +326,8 @@
 static inline void si_update(struct stream_interface *si)
 {
 	stream_int_update(si);
-	si->ops->update(si);
+	if (si->ops->update)
+		si->ops->update(si);
 }
 
 /* Calls chk_rcv on the connection using the data layer */