diff --git a/phpBB/phpbb/plupload/plupload.php b/phpBB/phpbb/plupload/plupload.php
index 7f6267ed32..4d02f4fa59 100644
--- a/phpBB/phpbb/plupload/plupload.php
+++ b/phpBB/phpbb/plupload/plupload.php
@@ -266,7 +266,7 @@ class plupload
 		if ($this->config['img_max_height'] > 0 && $this->config['img_max_width'] > 0)
 		{
 			$resize = sprintf(
-				'resize: {width: %d, height: %d, quality: 100},',
+				'resize: {width: %d, height: %d, quality: 90},',
 				(int) $this->config['img_max_width'],
 				(int) $this->config['img_max_height']
 			);