diff --git a/sound/soc/sof/sof-client-probes-ipc4.c b/sound/soc/sof/sof-client-probes-ipc4.c
index 796eac0a2e74..603aed222480 100644
--- a/sound/soc/sof/sof-client-probes-ipc4.c
+++ b/sound/soc/sof/sof-client-probes-ipc4.c
@@ -125,6 +125,7 @@ static int ipc4_probes_init(struct sof_client_dev *cdev, u32 stream_tag,
 	msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
 	msg.extension = SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE(INVALID_PIPELINE_ID);
 	msg.extension |= SOF_IPC4_MOD_EXT_CORE_ID(0);
+	msg.extension |= SOF_IPC4_MOD_EXT_PARAM_SIZE(sizeof(cfg) / sizeof(uint32_t));
 
 	msg.data_size = sizeof(cfg);
 	msg.data_ptr = &cfg;