diff --git a/qiboot/src/cpu/s3c2442/gta02.c b/qiboot/src/cpu/s3c2442/gta02.c
index 08674f6..d0dafd0 100644
--- a/qiboot/src/cpu/s3c2442/gta02.c
+++ b/qiboot/src/cpu/s3c2442/gta02.c
@@ -45,8 +45,8 @@ const struct pcf50633_init pcf50633_init[] = {
 	{ PCF50633_REG_OOCMODE,		0x55 },
 	{ PCF50633_REG_OOCCTL,		0x47 },
 
-	{ PCF50633_REG_SVMCTL,		0x18 },	/* 3.10V SYS vth, 62ms filter */
-	{ PCF50633_REG_BVMCTL,		0x12 },	/* 2.80V BAT vth, 62ms filter */
+	{ PCF50633_REG_SVMCTL,		0x08 },	/* 3.10V SYS vth, 62ms filter */
+	{ PCF50633_REG_BVMCTL,		0x02 },	/* 2.80V BAT vth, 62ms filter */
 
 	{ PCF50633_REG_AUTOENA,		0x01 },	/* always on */