diff --git a/src/backup/catalog.rs b/src/backup/catalog.rs
index b3e248b0..57fc12f9 100644
--- a/src/backup/catalog.rs
+++ b/src/backup/catalog.rs
@@ -160,6 +160,12 @@ impl <W: Write> CatalogWriter<W> {
         Ok(me)
     }
 
+    fn write_all(&mut self, data: &[u8]) -> Result<(), Error> {
+        self.writer.write_all(data)?;
+        self.pos += u64::try_from(data.len())?;
+        Ok(())
+    }
+
     pub fn finish(&mut self) -> Result<(), Error> {
         if self.dirstack.len() != 1 {
             bail!("unable to finish catalog at level {}", self.dirstack.len());
@@ -257,14 +263,6 @@ impl <W: Write> BackupCatalogWriter for CatalogWriter<W> {
     }
 }
 
-impl<W: Write> CatalogWriter<W> {
-    fn write_all(&mut self, data: &[u8]) -> Result<(), Error> {
-        self.writer.write_all(data)?;
-        self.pos += u64::try_from(data.len())?;
-        Ok(())
-    }
-}
-
 // fixme: move to somehere else?
 /// Implement Write to tokio mpsc channel Sender
 pub struct SenderWriter(tokio::sync::mpsc::Sender<Result<Vec<u8>, Error>>);