diff --git a/audio/audio.c b/audio/audio.c
index 5fff6de96..398763fd7 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -585,17 +585,20 @@ static int audio_pcm_info_eq (struct audio_pcm_info *info, struct audsettings *a
     switch (as->fmt) {
     case AUD_FMT_S8:
         sign = 1;
+        /* fall through */
     case AUD_FMT_U8:
         break;
 
     case AUD_FMT_S16:
         sign = 1;
+        /* fall through */
     case AUD_FMT_U16:
         bits = 16;
         break;
 
     case AUD_FMT_S32:
         sign = 1;
+        /* fall through */
     case AUD_FMT_U32:
         bits = 32;
         break;
diff --git a/audio/esdaudio.c b/audio/esdaudio.c
index bd6e1cc19..eea9ccec0 100644
--- a/audio/esdaudio.c
+++ b/audio/esdaudio.c
@@ -201,7 +201,7 @@ static int qesd_init_out (HWVoiceOut *hw, struct audsettings *as)
     case AUD_FMT_S32:
     case AUD_FMT_U32:
         dolog ("Will use 16 instead of 32 bit samples\n");
-
+        /* fall through */
     case AUD_FMT_S16:
     case AUD_FMT_U16:
     deffmt: