diff --git a/src/pcm/pcm.c b/src/pcm/pcm.c
index 2653c576..c0c9556c 100644
--- a/src/pcm/pcm.c
+++ b/src/pcm/pcm.c
@@ -4486,7 +4486,7 @@ EXPORT_SYMBOL int INTERNAL(snd_pcm_hw_params_get_subformat)(const snd_pcm_hw_par
 int snd_pcm_hw_params_get_subformat(const snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat)
 #endif
 {
-	return snd_pcm_hw_param_get(params, SND_PCM_HW_PARAM_SUBFORMAT, subformat, NULL);
+	return snd_pcm_hw_param_get(params, SND_PCM_HW_PARAM_SUBFORMAT, (unsigned int *)subformat, NULL);
 }
 
 /**
@@ -4526,7 +4526,7 @@ EXPORT_SYMBOL int INTERNAL(snd_pcm_hw_params_set_subformat_first)(snd_pcm_t *pcm
 int snd_pcm_hw_params_set_subformat_first(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat)
 #endif
 {
-	return snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_SUBFORMAT, subformat, NULL);
+	return snd_pcm_hw_param_set_first(pcm, params, SND_PCM_HW_PARAM_SUBFORMAT, (unsigned int *)subformat, NULL);
 }
 
 /**
@@ -4542,7 +4542,7 @@ EXPORT_SYMBOL int INTERNAL(snd_pcm_hw_params_set_subformat_last)(snd_pcm_t *pcm,
 int snd_pcm_hw_params_set_subformat_last(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat)
 #endif
 {
-	return snd_pcm_hw_param_set_last(pcm, params, SND_PCM_HW_PARAM_SUBFORMAT, subformat, NULL);
+	return snd_pcm_hw_param_set_last(pcm, params, SND_PCM_HW_PARAM_SUBFORMAT, (unsigned int *)subformat, NULL);
 }
 
 /**