diff --git a/drivers/rtc/rtc-bq32k.c b/drivers/rtc/rtc-bq32k.c
index 314129e66d6e8fd47280202cacf19f0793848e58..92679df6d6e222dd12e4f2471f9e1b3109048c50 100644
--- a/drivers/rtc/rtc-bq32k.c
+++ b/drivers/rtc/rtc-bq32k.c
@@ -160,7 +160,7 @@ static int trickle_charger_of_init(struct device *dev, struct device_node *node)
 			dev_err(dev, "bq32k: diode and resistor mismatch\n");
 			return -EINVAL;
 		}
-		reg = 0x25;
+		reg = 0x45;
 		break;
 
 	default: