diff --git a/phpBB/extension.inc b/phpBB/extension.inc
index 2168f7e2c0..1858c864d1 100644
--- a/phpBB/extension.inc
+++ b/phpBB/extension.inc
@@ -1,6 +1,6 @@
 <?php
 /***************************************************************************  
- *                                 extention.inc
+ *                               extension.inc
  *                            -------------------                         
  *   begin                : Saturday, Feb 13, 2001 
  *   copyright            : (C) 2001 The phpBB Group        
@@ -11,7 +11,19 @@
  * 
  ***************************************************************************/ 
 
+if ( !defined('IN_PHPBB') )
+{
+	die("Hacking attempt");
+}
+
+//
+// Change this if your extension is not .php!
+//
 $phpEx = "php";
+
+//
+// For debug timing
+// 
 $mtime = microtime();
 $mtime = explode(" ",$mtime);
 $mtime = $mtime[1] + $mtime[0];
diff --git a/phpBB/profile.php b/phpBB/profile.php
index 1f9919b61f..25965087de 100644
--- a/phpBB/profile.php
+++ b/phpBB/profile.php
@@ -34,8 +34,6 @@ init_userprefs($userdata);
 // End session management
 //
 
-define('IN_PROFILE', true);
-
 //
 // Set default email variables
 //