diff --git a/filter/tex/mimetex.exe b/filter/tex/mimetex.exe
index 5ca88211f18..af7502a6dd9 100755
Binary files a/filter/tex/mimetex.exe and b/filter/tex/mimetex.exe differ
diff --git a/filter/tex/mimetex.linux b/filter/tex/mimetex.linux
index f1f3759f11c..d2123f12a70 100755
Binary files a/filter/tex/mimetex.linux and b/filter/tex/mimetex.linux differ
diff --git a/filter/tex/texdebug.php b/filter/tex/texdebug.php
index ceff41b4036..5771da07b98 100644
--- a/filter/tex/texdebug.php
+++ b/filter/tex/texdebug.php
@@ -217,7 +217,7 @@ edit your moodle/filter/tex/pix.php file to add
 <br /><?PHP echo "case &quot;" . PHP_OS . "&quot;:" ;?><br ?> to the list of operating systems
 in the switch (PHP_OS) statement. Windows users may have a problem properly
 unzipping mimetex.exe. Make sure that mimetex.exe is is <b>PRECISELY</b>
-328192 bytes in size. If not, download a fresh copy from
+329728 bytes in size. If not, download a fresh copy from
 <a href="http://moodle.org/download/mimetex/windows/mimetex.exe">
 http://moodle.org/download/mimetex/windows/mimetex.exe</a>. 
 Another possible problem which may affect