diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index ee3d763..b0d9f12 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -1162,7 +1162,10 @@
 
 		// Reduce multiple spaces
 		$str = preg_replace("| +|", " ", $str);
-
+		
+		// kill nulls
+		$str = preg_replace('/\x00+/', '', $str);
+		
 		// Standardize newlines
 		if (strpos($str, "\r") !== FALSE)
 		{