diff --git a/library/Zend/Mail/Transport/Sendmail.php b/library/Zend/Mail/Transport/Sendmail.php
index d2a78a8d05..efc6702440 100644
--- a/library/Zend/Mail/Transport/Sendmail.php
+++ b/library/Zend/Mail/Transport/Sendmail.php
@@ -138,7 +138,7 @@ public function _sendMail()
             // Sanitize the From header
             // https://github.com/Shardj/zf1-future/issues/326
             
-            if ( empty($fromEmailHeader) === FALSE ) { // nothing to worry about
+            if ( empty($fromEmailHeader) === TRUE ) { // nothing to worry about
                 goto processMail;
             }