diff --git a/poky/scripts/lib/checklayer/cases/common.py b/poky/scripts/lib/checklayer/cases/common.py
index 8ffe028..b82304e 100644
--- a/poky/scripts/lib/checklayer/cases/common.py
+++ b/poky/scripts/lib/checklayer/cases/common.py
@@ -12,7 +12,7 @@
 class CommonCheckLayer(OECheckLayerTestCase):
     def test_readme(self):
         # The top-level README file may have a suffix (like README.rst or README.txt).
-        readme_files = glob.glob(os.path.join(self.tc.layer['path'], 'README*'))
+        readme_files = glob.glob(os.path.join(self.tc.layer['path'], '[Rr][Ee][Aa][Dd][Mm][Ee]*'))
         self.assertTrue(len(readme_files) > 0,
                         msg="Layer doesn't contains README file.")