diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index 8c2efc8fdb6f..ef0f9ef61519 100644
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -133,6 +133,8 @@ static bool rk818_is_volatile_reg(struct device *dev, unsigned int reg)
 	case RK808_INT_STS_REG2:
 	case RK808_INT_STS_MSK_REG1:
 	case RK808_INT_STS_MSK_REG2:
+	case RK816_INT_STS_REG1:
+	case RK816_INT_STS_MSK_REG1:
 	case RK818_SUP_STS_REG ... RK818_SAVE_DATA19:
 		return true;
 	}