diff --git a/wysiwyg/ckfinder/config.php b/wysiwyg/ckfinder/config.php
index 4c41cac6..e9bcbd3a 100644
--- a/wysiwyg/ckfinder/config.php
+++ b/wysiwyg/ckfinder/config.php
@@ -52,11 +52,11 @@ $config['privateDir'] = array(
 $config['images'] = array(
     'maxWidth'  => 2560,
     'maxHeight' => 1440,
-    'quality'   => 90,
+    'quality'   => 0,
     'sizes' => array(
-        'small'  => array('width' => 480, 'height' => 320, 'quality' => 90),
-        'medium' => array('width' => 600, 'height' => 480, 'quality' => 90),
-        'large'  => array('width' => 800, 'height' => 600, 'quality' => 90)
+        'small'  => array('width' => 480, 'height' => 320, 'quality' => 0),
+        'medium' => array('width' => 600, 'height' => 480, 'quality' => 0),
+        'large'  => array('width' => 800, 'height' => 600, 'quality' => 0)
     )
 );