1 files changed, 1 insertions, 1 deletions
diff --git a/src/librustdoc/markdown.rs b/src/librustdoc/markdown.rs
index 00de4e3ec53..bc6c797e5c5 100644
--- a/src/librustdoc/markdown.rs
+++ b/src/librustdoc/markdown.rs
@@ -34,7 +34,7 @@ fn extract_leading_metadata<'a>(s: &'a str) -> (Vec<&'a str>, &'a str) {
             // remove %<whitespace>
             metadata.push(line[1..].trim_left())
         } else {
-            let line_start_byte = s.subslice_offset(line);
+            let line_start_byte = s.find(line).unwrap();
             return (metadata, &s[line_start_byte..]);
         }
     }