diff --git a/mpxplay/au_cards/sc_sbl24.c b/mpxplay/au_cards/sc_sbl24.c
index d5581203..9691a63b 100644
--- a/mpxplay/au_cards/sc_sbl24.c
+++ b/mpxplay/au_cards/sc_sbl24.c
@@ -375,7 +375,7 @@ static int snd_live24_isr(emu10k1_card *card)
  outl(card->iobase+IPR, intmask);
  int intmask2 = snd_ca0106_ptr_read(card, EXTENDED_INT, 0);
  snd_ca0106_ptr_write(card, EXTENDED_INT, 0, intmask2); //ack
- return intmask;
+ return intmask|intmask2;
 }
 #endif
 
diff --git a/mpxplay/au_cards/sc_sbliv.c b/mpxplay/au_cards/sc_sbliv.c
index 869e9d39..43ff3ea0 100644
--- a/mpxplay/au_cards/sc_sbliv.c
+++ b/mpxplay/au_cards/sc_sbliv.c
@@ -863,7 +863,7 @@ static void snd_emu10kx_setrate(struct emu10k1_card *card,struct mpxplay_audioou
 static void snd_emu10kx_pcm_start_playback(struct emu10k1_card *card)
 {
 #ifdef SBEMU
- emu10k1_writefn0(card, INTE, emu10k1_readfn0(card, INTE)|INTE_SAMPLERATETRACKER|INTE_INTERVALTIMERENB); //enable timer interrupt
+ emu10k1_writefn0(card, INTE, emu10k1_readfn0(card, INTE)|INTE_SAMPLERATETRACKER|INTE_INTERVALTIMERENB|INTE_FXDSPENABLE); //enable timer interrupt
  emu10k1_writefn0(card, TIMER, 0x240); //set timer rate
 #endif