diff --git a/src/bin/soapy-sdr-stream.rs b/src/bin/soapy-sdr-stream.rs
index 1cfa3b0..59268c5 100644
--- a/src/bin/soapy-sdr-stream.rs
+++ b/src/bin/soapy-sdr-stream.rs
@@ -115,7 +115,7 @@ fn main() {
 
             while num > 0 && !sb.caught() {
                 let read_size = min(num as usize, buf.len());
-                let len = stream.read(&[&mut buf[..read_size]], 1_000_000).expect("read failed");
+                let len = stream.read(&mut [&mut buf[..read_size]], 1_000_000).expect("read failed");
                 write_cfile(&buf[..len], &mut outfile).unwrap();
                 num -= len as i64;
             }
diff --git a/src/device.rs b/src/device.rs
index eeb19ae..5eae9c9 100644
--- a/src/device.rs
+++ b/src/device.rs
@@ -944,7 +944,7 @@ impl<E: StreamSample> RxStream<E> {
     ///
     /// # Panics
     ///  * If `buffers` is not the same length as the `channels` array passed to `Device::rx_stream`.
-    pub fn read(&mut self, buffers: &[&mut[E]], timeout_us: i64) -> Result<usize, Error> {
+    pub fn read(&mut self, buffers: &mut [&mut [E]], timeout_us: i64) -> Result<usize, Error> {
         unsafe {
             assert!(buffers.len() == self.nchannels);