diff --git a/audio_pulse.c b/audio_pulse.c
index b2142b8e..134c0382 100644
--- a/audio_pulse.c
+++ b/audio_pulse.c
@@ -123,6 +123,8 @@ audio_output audio_pulse = {
     .deinit = &deinit,
     .start = &start,
     .stop = &stop,
+    .flush = NULL,
+    .delay = NULL,
     .play = &play,
     .volume = NULL
 };