1 files changed, 1 insertions, 1 deletions
diff --git a/library/core/src/slice/ascii.rs b/library/core/src/slice/ascii.rs
index b4d9a1b1ca4..181ae82959c 100644
--- a/library/core/src/slice/ascii.rs
+++ b/library/core/src/slice/ascii.rs
@@ -308,7 +308,7 @@ impl<'a> fmt::Display for EscapeAscii<'a> {
 
             if let Some(&b) = bytes.first() {
                 // guaranteed to be non-empty, better to write it as a str
-                f.write_str(ascii::escape_default(b).as_str())?;
+                fmt::Display::fmt(&ascii::escape_default(b), f)?;
                 bytes = &bytes[1..];
             }
         }