diff --git a/FileImageConverter.class.php b/FileImageConverter.class.php
index a8f4a99..abff297 100644
--- a/FileImageConverter.class.php
+++ b/FileImageConverter.class.php
@@ -84,7 +84,7 @@ class FileImageConverter {
 		$this->image->movePointer(1);
 
 			//save image
-		$this->image->writeToFile($new_filename, 0);
+		$this->image->writeToFile($new_filename, 9);
 
 			//clean up
 		unset($this->image);