diff --git a/message/discussion.php b/message/discussion.php
index fedbf92f6df..e4797fd56eb 100644
--- a/message/discussion.php
+++ b/message/discussion.php
@@ -25,6 +25,7 @@
     $encoding = current_charset();
 
 /// Print frameset to contain all the various panes
+    @header('Content-Type: text/html; charset='.$encoding);
 ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
     <html>
diff --git a/message/messages.php b/message/messages.php
index 6fdfe049a49..30da1110884 100644
--- a/message/messages.php
+++ b/message/messages.php
@@ -12,6 +12,7 @@
         $direction = ' dir="ltr"';
     }
 /// Output the header
+    @header('Content-Type: text/html; charset='.$encoding);
 ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
 <html <?php echo $direction ?>>
diff --git a/message/send.php b/message/send.php
index eed40347f09..a823473a857 100644
--- a/message/send.php
+++ b/message/send.php
@@ -29,6 +29,7 @@
         $direction = ' dir="ltr"';
     }
 
+    @header('Content-Type: text/html; charset='.$encoding);
     echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Frameset//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd\">\n";
     echo "<html $direction>\n<head>\n";
     echo '<meta http-equiv="content-type" content="text/html; charset='.$encoding.'" />';