diff --git a/phpBB/includes/functions_posting.php b/phpBB/includes/functions_posting.php
index bf3eef02c4..ee0d3b7f5d 100644
--- a/phpBB/includes/functions_posting.php
+++ b/phpBB/includes/functions_posting.php
@@ -684,6 +684,7 @@ function create_thumbnail($source, $destination, $mimetype)
 				break;
 
 				case IMG_JPG:
+					@ini_set('gd.jpeg_ignore_warning', 1);
 					$image = @imagecreatefromjpeg($source);
 				break;