diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 0d745db06a..b1f0114e2b 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -42,6 +42,9 @@ This is a patch release with bugfixes and improvements::
   https://github.com/aboutcode-org/scancode-toolkit/pull/4476
 
 
+- Progress bar now shows length. You can estimate the duration now.
+  See https://github.com/aboutcode-org/scancode-toolkit/issues/3342
+
 v32.4.0 - 2025-06-26
 --------------------
 
diff --git a/src/scancode/cli.py b/src/scancode/cli.py
index 9369fe7d91..293932aca9 100644
--- a/src/scancode/cli.py
+++ b/src/scancode/cli.py
@@ -1252,6 +1252,8 @@ def scan_codebase(
 
     # NOTE: we never scan directories
     resources = ((r.location, r.path) for r in codebase.walk() if r.is_file)
+    if progress_manager:
+        resources = list(resources)
 
     use_threading = processes >= 0
     runner = partial(
@@ -1287,6 +1289,8 @@ def scan_codebase(
 
         if progress_manager:
             scans = progress_manager(scans)
+            # times two because of #3344
+            scans.length = len(resources)*2
             # hack to avoid using a context manager
             if hasattr(scans, '__enter__'):
                 scans.__enter__()