diff --git a/audio/audiofx/src/audioecho/ring_buffer.rs b/audio/audiofx/src/audioecho/ring_buffer.rs
index e4a157053..adf881c03 100644
--- a/audio/audiofx/src/audioecho/ring_buffer.rs
+++ b/audio/audiofx/src/audioecho/ring_buffer.rs
@@ -22,7 +22,7 @@ impl RingBuffer {
         }
     }
 
-    pub fn iter(&mut self, delay: usize) -> RingBufferIter {
+    pub fn iter(&mut self, delay: usize) -> RingBufferIter<'_> {
         RingBufferIter::new(self, delay)
     }
 }