diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index cd89f8f..03eccea 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -395,7 +395,7 @@
 	public function attach($filename, $disposition = 'attachment')
 	{
 		$this->_attach_name[] = $filename;
-		$this->_attach_type[] = $this->_mime_types(next(explode('.', basename($filename))));
+		$this->_attach_type[] = $this->_mime_types(pathinfo($filename, PATHINFO_EXTENSION));
 		$this->_attach_disp[] = $disposition; // Can also be 'inline'  Not sure if it matters
 		return $this;
 	}