diff --git a/bitbake/lib/bb/build.py b/bitbake/lib/bb/build.py
index cb2e75b145..977b02fc63 100644
--- a/bitbake/lib/bb/build.py
+++ b/bitbake/lib/bb/build.py
@@ -346,7 +346,7 @@ def create_progress_handler(func, progress, logfile, d):
             cls_obj = functools.reduce(resolve, cls.split("."), bb.utils._context)
             if not cls_obj:
                 # Fall-back on __builtins__
-                cls_obj = functools.reduce(lambda x, y: x.get(y), cls.split("."), __builtins__)
+                cls_obj = functools.reduce(resolve, cls.split("."), __builtins__)
             if cls_obj:
                 return cls_obj(d, outfile=logfile, otherargs=otherargs)
             bb.warn('%s: unknown custom progress handler in task progress varflag value "%s", ignoring' % (func, cls))