diff --git a/src/client/backup_reader.rs b/src/client/backup_reader.rs
index 9d49ed7f..2a8b0194 100644
--- a/src/client/backup_reader.rs
+++ b/src/client/backup_reader.rs
@@ -219,7 +219,7 @@ impl BackupReader {
     }
 }
 
-fn compute_file_csum(file: &mut File) -> Result<([u8; 32], u64), Error> {
+pub fn compute_file_csum(file: &mut File) -> Result<([u8; 32], u64), Error> {
 
     file.seek(SeekFrom::Start(0))?;