1 files changed, 3 insertions, 3 deletions
diff --git a/library/core/src/ascii.rs b/library/core/src/ascii.rs
index 02867789b79..c29e5565d51 100644
--- a/library/core/src/ascii.rs
+++ b/library/core/src/ascii.rs
@@ -12,7 +12,7 @@
 use crate::escape;
 use crate::fmt;
 use crate::iter::FusedIterator;
-use crate::num::NonZeroUsize;
+use crate::num::NonZero;
 
 mod ascii_char;
 #[unstable(feature = "ascii_char", issue = "110998")]
@@ -133,7 +133,7 @@ impl Iterator for EscapeDefault {
     }
 
     #[inline]
-    fn advance_by(&mut self, n: usize) -> Result<(), NonZeroUsize> {
+    fn advance_by(&mut self, n: usize) -> Result<(), NonZero<usize>> {
         self.0.advance_by(n)
     }
 }
@@ -146,7 +146,7 @@ impl DoubleEndedIterator for EscapeDefault {
     }
 
     #[inline]
-    fn advance_back_by(&mut self, n: usize) -> Result<(), NonZeroUsize> {
+    fn advance_back_by(&mut self, n: usize) -> Result<(), NonZero<usize>> {
         self.0.advance_back_by(n)
     }
 }