diff --git a/amplib.php b/amplib.php
index ee98341..b3601eb 100755
--- a/amplib.php
+++ b/amplib.php
@@ -38,7 +38,7 @@
   closedir($dirp);
 }
 
-$page_name = htmlspecialchars($_SERVER['REQUEST_URI']);
+$page_name = htmlspecialchars($_SERVER['PHP_SELF']);
 
 unset($dirpath);
 unset($dirp);