diff --git a/audio/drivers/coreaudio.c b/audio/drivers/coreaudio.c
index 6d36a91f9e..c95be9e089 100644
--- a/audio/drivers/coreaudio.c
+++ b/audio/drivers/coreaudio.c
@@ -128,7 +128,13 @@ static OSStatus audio_write_cb(void *userdata,
    return noErr;
 }
 
-#ifndef TARGET_OS_IPHONE
+#if TARGET_OS_IPHONE
+static void coreaudio_interrupt_listener(void *data, UInt32 interrupt_state)
+{
+    (void)data;
+    g_interrupted = (interrupt_state == kAudioSessionBeginInterruption);
+}
+#else
 static void choose_output_device(coreaudio_t *dev, const char* device)
 {
    unsigned i;
@@ -175,12 +181,6 @@ static void choose_output_device(coreaudio_t *dev, const char* device)
 done:
    free(devices);
 }
-#else
-static void coreaudio_interrupt_listener(void *data, UInt32 interrupt_state)
-{
-   (void)data;
-   g_interrupted = (interrupt_state == kAudioSessionBeginInterruption);
-}
 #endif
 
 static void *coreaudio_init(const char *device,