diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c
index e7b3bdc95dd7..2a2c4cda63fd 100644
--- a/sound/soc/sof/ipc4-topology.c
+++ b/sound/soc/sof/ipc4-topology.c
@@ -179,7 +179,8 @@ static int sof_ipc4_get_audio_fmt(struct snd_soc_component *scomp,
 				  struct sof_ipc4_available_audio_format *available_fmt,
 				  struct sof_ipc4_base_module_cfg *module_base_cfg)
 {
-	struct sof_ipc4_pin_format *out_format, *in_format;
+	struct sof_ipc4_pin_format *in_format = NULL;
+	struct sof_ipc4_pin_format *out_format;
 	int ret;
 
 	ret = sof_update_ipc_object(scomp, available_fmt,