diff --git a/src/write.rs b/src/write.rs
index bbbef3aa..ddf46a50 100644
--- a/src/write.rs
+++ b/src/write.rs
@@ -1455,8 +1455,8 @@ impl<W: Write + Seek> ZipWriter<W> {
         self.finish_file()?;
         let src_index = self.index_by_name(src_name)?;
         let mut dest_data = self.files[src_index].to_owned();
-        dest_data.file_name = dest_name.into();
-        dest_data.file_name_raw = dest_name.into();
+        dest_data.file_name = dest_name.to_string().into();
+        dest_data.file_name_raw = dest_name.into_boxed_bytes();
         self.insert_file_data(dest_data)?;
         Ok(())
     }