diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c
index 7d269ef..f6a07dc 100644
--- a/drivers/iio/light/apds9960.c
+++ b/drivers/iio/light/apds9960.c
@@ -453,6 +453,7 @@
 			usleep_range(data->als_adc_int_us,
 				     APDS9960_MAX_INT_TIME_IN_US);
 	} else {
+		pm_runtime_mark_last_busy(dev);
 		ret = pm_runtime_put_autosuspend(dev);
 	}