diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index 3c679ce..631b62e 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -420,14 +420,9 @@
 	 */
 	public function attach($filename, $disposition = '', $newname = NULL)
 	{
-		if(empty($disposition))
-		{
-			$disposition = 'attachment';
-		}
-		
 		$this->_attach_name[] = array($filename, $newname);
 		$this->_attach_type[] = $this->_mime_types(pathinfo($filename, PATHINFO_EXTENSION));
-		$this->_attach_disp[] = $disposition; // Can also be 'inline'  Not sure if it matters
+		$this->_attach_disp[] = empty($disposition) ? 'attachment' : $disposition; // Can also be 'inline'  Not sure if it matters
 		return $this;
 	}