diff --git a/hub/calendar.php b/hub/calendar.php
index eda78f2..67d9122 100644
--- a/hub/calendar.php
+++ b/hub/calendar.php
@@ -10,7 +10,7 @@ if ( ! $pos === false) {
 
 $body="give";
 //$body="index_full";
-include 'header.html'; 
+include 'header.php'; 
 
 // --------------------------------------------
 // Clean up stale reservations
diff --git a/hub/comment_confirm.php b/hub/comment_confirm.php
index 9191243..a41c596 100644
--- a/hub/comment_confirm.php
+++ b/hub/comment_confirm.php
@@ -338,7 +338,7 @@ if (!$mailer->send()) {
 
 $body="give";
 //$body="index_full";
-include 'header.html'; 
+include 'header.php'; 
 
 ?>
 
diff --git a/hub/request.php b/hub/request.php
index c87c4f3..834b7f6 100644
--- a/hub/request.php
+++ b/hub/request.php
@@ -26,6 +26,7 @@ if( !isset($row_dupe) or $num_from_this_ip != 0 ) {
   header('Cache-Control: no-cache');
   header('Pragma: no-cache');
   header("Status: 412 Precondition Failed");
+  include("header.php");
   echo "<h1>Existing request detected: ";
   $timestamp = time()+date("Z");
   echo gmdate("Y-m-d\TH:i:s\Z",$timestamp);
@@ -150,7 +151,7 @@ $next_show_num = $next_show_num_array[0] + 1;
 $next_show_date = date('Y-m-d', strtotime($next_show_num_array[1] . ' + 1 weekday'));
 $body="give";
 //$body="index_full";
-include 'header.html'; 
+include 'header.php'; 
 
 ?>
 
diff --git a/hub/request_confirm.php b/hub/request_confirm.php
index 6c8077f..79d883e 100644
--- a/hub/request_confirm.php
+++ b/hub/request_confirm.php
@@ -294,7 +294,7 @@ if (!$mailer->send()) {
 
 $body="give";
 //$body="index_full";
-include 'header.html'; 
+include 'header.php'; 
 
 ?>
 
diff --git a/hub/upload.php b/hub/upload.php
index f0f831b..638894a 100644
--- a/hub/upload.php
+++ b/hub/upload.php
@@ -106,7 +106,7 @@ if ( !file_exists( $image_url )) {
 
 // $body="give";
 //$body="index_full";
-include 'header.html'; 
+include 'header.php'; 
 
 ?>
 
diff --git a/hub/upload_confirm.php b/hub/upload_confirm.php
index a1b2700..7a8bb7c 100755
--- a/hub/upload_confirm.php
+++ b/hub/upload_confirm.php
@@ -401,7 +401,7 @@ if (!isset($result)) {
 
 $body="give";
 //$body="index_full";
-include 'header.html'; 
+include 'header.php'; 
 
 ?>