diff --git a/asoc/codecs/bolero/bolero-cdc-regmap.c b/asoc/codecs/bolero/bolero-cdc-regmap.c
index c4824f1771c2..94340e881ffc 100644
--- a/asoc/codecs/bolero/bolero-cdc-regmap.c
+++ b/asoc/codecs/bolero/bolero-cdc-regmap.c
@@ -854,6 +854,10 @@ static bool bolero_is_volatile_register(struct device *dev,
 	case BOLERO_CDC_RX_EC_ASRC2_STATUS_FMAX_CNTR_LSB:
 	case BOLERO_CDC_RX_EC_ASRC2_STATUS_FMAX_CNTR_MSB:
 	case BOLERO_CDC_RX_EC_ASRC2_STATUS_FIFO:
+	case BOLERO_CDC_RX_SIDETONE_IIR0_IIR_COEF_B1_CTL:
+	case BOLERO_CDC_RX_SIDETONE_IIR0_IIR_COEF_B2_CTL:
+	case BOLERO_CDC_RX_SIDETONE_IIR1_IIR_COEF_B1_CTL:
+	case BOLERO_CDC_RX_SIDETONE_IIR1_IIR_COEF_B2_CTL:
 		return true;
 	}
 	return false;