diff --git a/src/backup/chunk_store.rs b/src/backup/chunk_store.rs
index 1c9dd9e9..a0029667 100644
--- a/src/backup/chunk_store.rs
+++ b/src/backup/chunk_store.rs
@@ -289,10 +289,12 @@ impl ChunkStore {
         min_atime -= 300; // add 5 mins gap for safety
 
         let mut last_percentage = 0;
+        let mut chunk_count = 0;
+
         for (entry, percentage) in self.get_chunk_iterator()? {
             if last_percentage != percentage {
                 last_percentage = percentage;
-                worker.log(format!("percentage done: {}", percentage));
+                worker.log(format!("percentage done: {}, chunk count: {}", percentage, chunk_count));
             }
 
             tools::fail_on_shutdown()?;
@@ -310,6 +312,8 @@ impl ChunkStore {
                 continue;
             }
 
+            chunk_count += 1;
+
             let filename = entry.file_name();
 
             let lock = self.mutex.lock();