diff --git a/meta/lib/oe/sanity.py b/meta/lib/oe/sanity.py
index c9149ec974..77cea4ed24 100644
--- a/meta/lib/oe/sanity.py
+++ b/meta/lib/oe/sanity.py
@@ -474,7 +474,7 @@ def drop_v14_cross_builds(d):
                 for m in glob.glob(manifest + ".*"):
                     if m.endswith(".postrm"):
                         continue
-                    sstate_clean_manifest(m, d)
+                    bb.utils.exec_flat_python_func("sstate_clean_manifest", m, d)
                 bb.utils.remove(stamp + "*")
                 bb.utils.remove(workdir, recurse = True)