diff --git a/audio/coreaudio.c b/audio/coreaudio.m
similarity index 100%
rename from audio/coreaudio.c
rename to audio/coreaudio.m
diff --git a/audio/meson.build b/audio/meson.build
index d9b295514f..94dab16891 100644
--- a/audio/meson.build
+++ b/audio/meson.build
@@ -7,7 +7,7 @@ softmmu_ss.add(files(
   'wavcapture.c',
 ))
 
-softmmu_ss.add(when: coreaudio, if_true: files('coreaudio.c'))
+softmmu_ss.add(when: coreaudio, if_true: files('coreaudio.m'))
 softmmu_ss.add(when: dsound, if_true: files('dsoundaudio.c', 'audio_win_int.c'))
 
 audio_modules = {}