diff --git a/rtxPage.py b/rtxPage.py
index 686ac33..f2b8577 100644
--- a/rtxPage.py
+++ b/rtxPage.py
@@ -85,6 +85,14 @@ class rtxPage:
                 filename = path + page + ".cept"
                 """ page has been found - with .cept extension """
                 break
+            if os.path.isfile(path + page.lower()):
+                filename = path + page.lower()
+                """ page has been found with lowercase filename """
+                break
+            if os.path.isfile(path + page.lower() + ".cept"):
+                filename = path + page.lower() + ".cept"
+                """ page has been found with lowercase filename and .cept extension """
+                break
         else:
             """ page does not exist anywhere, so exit the function """
             return False