diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index 20695b691aff7a8e34c255d92ace0283018b3b26..a7dc76030ee4462c4908158fec8b9fa6a17850c0 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -2654,7 +2654,7 @@ int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol,
 		(struct soc_mixer_control *)kcontrol->private_value;
 	char preload[32];
 
-	snprintf(preload, ARRAY_SIZE(preload), "DSP%d Preload", mc->shift);
+	snprintf(preload, ARRAY_SIZE(preload), "DSP%u Preload", mc->shift);
 
 	dsp->preloaded = ucontrol->value.integer.value[0];