From 6d250cf0dad29c587422a98fc63206d1c81a89a5 Mon Sep 17 00:00:00 2001
From: Oliver Vogel <oliver@olivervogel.net>
Date: Tue, 20 May 2014 23:19:52 +0200
Subject: [PATCH] fixed issue when saving files without extension

---
 src/Intervention/Image/AbstractEncoder.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Intervention/Image/AbstractEncoder.php b/src/Intervention/Image/AbstractEncoder.php
index 894e3012..2c918b78 100644
--- a/src/Intervention/Image/AbstractEncoder.php
+++ b/src/Intervention/Image/AbstractEncoder.php
@@ -109,7 +109,7 @@ abstract class AbstractEncoder
      */
     protected function setFormat($format = null)
     {
-        if (is_null($format) && $this->image instanceof Image) {
+        if ($format == '' && $this->image instanceof Image) {
             $format = $this->image->mime;
         }