diff --git a/src/iter.rs b/src/iter.rs
index 494e2edd..a29c630b 100644
--- a/src/iter.rs
+++ b/src/iter.rs
@@ -67,7 +67,7 @@ struct RingBuf<const SIZE: usize = 10> {
 
 impl<const SIZE: usize> RingBuf<SIZE> {
     fn new() -> Self {
-        assert!(SIZE <= u8::max_value().into());
+        assert!(SIZE <= u8::MAX.into());
         assert!(SIZE > 0);
         Self {
             vals: [0; SIZE],