diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c
index 04fd0d4b6f198728ca9e5f4a08b98863c4f37e8c..d3d65ecb30a5b634d173150da83cb16d8d00c042 100644
--- a/drivers/iio/light/vcnl4000.c
+++ b/drivers/iio/light/vcnl4000.c
@@ -150,9 +150,10 @@ static int vcnl4200_init(struct vcnl4000_data *data)
 	data->al_scale = 24000;
 	data->vcnl4200_al.reg = VCNL4200_AL_DATA;
 	data->vcnl4200_ps.reg = VCNL4200_PS_DATA;
-	/* Integration time is 50ms, but the experiments show 54ms in total. */
-	data->vcnl4200_al.sampling_rate = ktime_set(0, 54000 * 1000);
-	data->vcnl4200_ps.sampling_rate = ktime_set(0, 4200 * 1000);
+	/* Default wait time is 50ms, add 20% tolerance. */
+	data->vcnl4200_al.sampling_rate = ktime_set(0, 60000 * 1000);
+	/* Default wait time is 4.8ms, add 20% tolerance. */
+	data->vcnl4200_ps.sampling_rate = ktime_set(0, 5760 * 1000);
 	data->vcnl4200_al.last_measurement = ktime_set(0, 0);
 	data->vcnl4200_ps.last_measurement = ktime_set(0, 0);
 	mutex_init(&data->vcnl4200_al.lock);