diff --git a/drivers/iio/adc/qcom-spmi-vadc.c b/drivers/iio/adc/qcom-spmi-vadc.c
index faaf711..0a19761 100644
--- a/drivers/iio/adc/qcom-spmi-vadc.c
+++ b/drivers/iio/adc/qcom-spmi-vadc.c
@@ -641,7 +641,7 @@ static int vadc_scale_therm(struct vadc_priv *vadc,
 	vadc_scale_calib(vadc, adc_code, prop, &voltage);
 
 	if (prop->calibration == VADC_CALIB_ABSOLUTE)
-		voltage /= 1000;
+		voltage = div64_s64(voltage, 1000);
 
 	vadc_map_voltage_temp(adcmap_100k_104ef_104fb,
 			      ARRAY_SIZE(adcmap_100k_104ef_104fb),