diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index 38d4a910bc525676ca698d9bf167b4a74d6d0a18..aba2061924553c1c82c9d48d7dae6631a55b64ee 100644
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -1139,7 +1139,7 @@ static int at91_ts_register(struct iio_dev *idev,
 	return ret;
 
 err:
-	input_free_device(st->ts_input);
+	input_free_device(input);
 	return ret;
 }