diff --git a/scripts/combo-layer b/scripts/combo-layer
index c122f4b5e4..e467f390c1 100755
--- a/scripts/combo-layer
+++ b/scripts/combo-layer
@@ -507,7 +507,7 @@ def check_patch(patchfile):
     f.close()
     if of:
         of.close()
-        bb.utils.rename(patchfile + '.tmp', patchfile)
+        os.rename(of.name, patchfile)
 
 def drop_to_shell(workdir=None):
     if not sys.stdin.isatty():