diff --git a/port/libusb-intel/main.c b/port/libusb-intel/main.c
index 69bd16d56..27a864e42 100644
--- a/port/libusb-intel/main.c
+++ b/port/libusb-intel/main.c
@@ -168,7 +168,8 @@ static void intel_firmware_done(int result){
     hci_init(transport, NULL);
 
 #ifdef HAVE_PORTAUDIO
-    btstack_audio_set_instance(btstack_audio_portaudio_get_instance());
+    btstack_audio_sink_set_instance(btstack_audio_portaudio_sink_get_instance());
+    btstack_audio_source_set_instance(btstack_audio_portaudio_source_get_instance());
 #endif
 
     // inform about BTstack state