diff --git a/drivers/elphel/elphel393-pwr.c b/drivers/elphel/elphel393-pwr.c
index eab48c65173f4e5f6f0d307a68855a5b86975a1b..e6a8db0d148ff347d48206bfa923ad8538ac5e56 100644
--- a/drivers/elphel/elphel393-pwr.c
+++ b/drivers/elphel/elphel393-pwr.c
@@ -105,7 +105,7 @@ static struct voltage_reg_t voltage_reg[]={
 				.name="vcc_sens01",
 				.r1=VCC_SENS01_R1,
 				.r2=VCC_SENS01_R2,
-				.awe_ref=LTC3589_AWE_B2DTV2_REF,
+				.awe_ref=LTC3589_AWE_B2DTV1_REF,
 				.awe_en=LTC3589_AWE_OVEN_EN_SD2,
 				.awe_pgood=LTC3589_AWE_PGSTAT_SD2,
 				.mask_pgood=1,