diff --git a/audio/out/ao_coreaudio_utils.c b/audio/out/ao_coreaudio_utils.c
index 97125c7f21..9971c2d5ff 100644
--- a/audio/out/ao_coreaudio_utils.c
+++ b/audio/out/ao_coreaudio_utils.c
@@ -440,6 +440,11 @@ void ca_bitmaps_from_layouts(struct ao *ao,
 
     for (int i=0; i < n_layouts; i++) {
         uint32_t bitmap = 0;
+        MP_VERBOSE(ao, "device layout %i: tag: <%d>, bitmap: <%d>, "
+                       "descriptions number <%d>\n", i,
+                       layouts[i].mChannelLayoutTag,
+                       layouts[i].mChannelBitmap,
+                       layouts[i].mNumberChannelDescriptions);
 
         switch (layouts[i].mChannelLayoutTag) {
         case kAudioChannelLayoutTag_UseChannelBitmap: