diff --git a/403.php b/403.php
index 8c11b98..5bb2466 100644
--- a/403.php
+++ b/403.php
@@ -1,7 +1,7 @@
 <?php
 
-include "server_files/config.php";
-include "server_files/header.php";
+include_once "server_files/config.php";
+include_once "server_files/header.php";
 
 http_response_code(403);
 
@@ -13,4 +13,6 @@ http_response_code(403);
 
 include "server_files/footer.php";
 
+exit();
+
 ?>
\ No newline at end of file
diff --git a/404.php b/404.php
index 804cf82..8541945 100644
--- a/404.php
+++ b/404.php
@@ -1,7 +1,7 @@
 <?php
 
 include_once "server_files/config.php";
-include "server_files/header.php";
+include_once "server_files/header.php";
 
 http_response_code(404);
 
@@ -13,4 +13,6 @@ http_response_code(404);
 
 include "server_files/footer.php";
 
+exit();
+
 ?>
\ No newline at end of file