diff --git a/module/mail/model.php b/module/mail/model.php
index 4e7e715ae4..26686a4a1a 100644
--- a/module/mail/model.php
+++ b/module/mail/model.php
@@ -304,11 +304,9 @@ class mailModel extends model
         $this->clear();
 
         /* Replace full webPath image for mail. */
-        $isonlybody = isonlybody();
-        unset($_GET['onlybody']);
         $sysURL      = zget($this->config->mail, 'domain', common::getSysURL());
         $readLinkReg = str_replace(array('%fileID%', '/', '.', '?'), array('[0-9]+', '\/', '\.', '\?'), helper::createLink('file', 'read', 'fileID=(%fileID%)', '\w+'));
-        if($isonlybody) $_GET['onlybody'] = 'yes';
+        if(isonlybody()) $readLinkReg = str_replace(array('\?onlybody=yes', '&onlybody=yes'), '', $readLinkReg);
 
         $body = preg_replace('/ src="(' . $readLinkReg . ')" /', ' src="' . $sysURL . '$1" ', $body);
         $body = preg_replace('/ src="{([0-9]+)(\.(\w+))?}" /', ' src="' . $sysURL . helper::createLink('file', 'read', "fileID=$1", "$3") . '" ', $body);