diff --git a/sound/soc/sof/ipc4-pcm.c b/sound/soc/sof/ipc4-pcm.c
index bb5df0d214e3..a29632423ccd 100644
--- a/sound/soc/sof/ipc4-pcm.c
+++ b/sound/soc/sof/ipc4-pcm.c
@@ -615,7 +615,8 @@ static int sof_ipc4_pcm_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm
 
 		/* allocate memory for max number of pipeline IDs */
 		pipeline_list->pipelines = kcalloc(ipc4_data->max_num_pipelines,
-						   sizeof(struct snd_sof_widget *), GFP_KERNEL);
+						   sizeof(*pipeline_list->pipelines),
+						   GFP_KERNEL);
 		if (!pipeline_list->pipelines) {
 			sof_ipc4_pcm_free(sdev, spcm);
 			return -ENOMEM;