diff --git a/src/pcm/pcm_softvol.c b/src/pcm/pcm_softvol.c
index 73b411d0..9a1b6be7 100644
--- a/src/pcm/pcm_softvol.c
+++ b/src/pcm/pcm_softvol.c
@@ -290,7 +290,9 @@ static int snd_pcm_softvol_hw_refine_cprepare(snd_pcm_t *pcm ATTRIBUTE_UNUSED,
 {
 	int err;
 	snd_pcm_access_mask_t access_mask = { SND_PCM_ACCBIT_SHM };
-	snd_pcm_format_mask_t format_mask = { SND_PCM_FMTBIT_LINEAR };
+	snd_pcm_format_mask_t format_mask = {
+		{ (1U << SND_PCM_FORMAT_S16) | (1U << SND_PCM_FORMAT_S32) }
+	};
 	err = _snd_pcm_hw_param_set_mask(params, SND_PCM_HW_PARAM_ACCESS,
 					 &access_mask);
 	if (err < 0)