diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index 252ce4a6f913..9d66510a1d49 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -2444,7 +2444,7 @@ EXPORT_SYMBOL_GPL(iio_push_to_buffers);
 int iio_push_to_buffers_with_ts_unaligned(struct iio_dev *indio_dev,
 					  const void *data,
 					  size_t data_sz,
-					  int64_t timestamp)
+					  s64 timestamp)
 {
 	struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev);
 
diff --git a/include/linux/iio/buffer.h b/include/linux/iio/buffer.h
index 8fd0d57d238f..745c98ef4e04 100644
--- a/include/linux/iio/buffer.h
+++ b/include/linux/iio/buffer.h
@@ -79,7 +79,7 @@ static inline int iio_push_to_buffers_with_ts(struct iio_dev *indio_dev,
 
 int iio_push_to_buffers_with_ts_unaligned(struct iio_dev *indio_dev,
 					  const void *data, size_t data_sz,
-					  int64_t timestamp);
+					  s64 timestamp);
 
 bool iio_validate_scan_mask_onehot(struct iio_dev *indio_dev,
 				   const unsigned long *mask);