diff --git a/scripts/lib/checklayer/cases/common.py b/scripts/lib/checklayer/cases/common.py
index 52c786f77b..8bdc5ce20f 100644
--- a/scripts/lib/checklayer/cases/common.py
+++ b/scripts/lib/checklayer/cases/common.py
@@ -26,8 +26,8 @@ class CommonCheckLayer(OECheckLayerTestCase):
             data = f.read()
         self.assertTrue(data,
                 msg="Layer contains a README file but it is empty.")
-        self.assertIn('maintainer',data)
-        self.assertIn('patch',data)
+        self.assertIn('maintainer', data.lower())
+        self.assertIn('patch', data.lower())
         # Check that there is an email address in the README
         email_regex = re.compile(r"[^@]+@[^@]+")
         self.assertTrue(email_regex.match(data))