Index: branches/RC/core/units/general/helpers/file_helper.php
===================================================================
diff -u -r9644 -r10720
--- branches/RC/core/units/general/helpers/file_helper.php	(.../file_helper.php)	(revision 9644)
+++ branches/RC/core/units/general/helpers/file_helper.php	(.../file_helper.php)	(revision 10720)
@@ -141,7 +141,7 @@
 			if ($is_image) {
 				$field_options['formatter'] = 'kPictureFormatter';
 				$field_options['include_path'] = 1;
-				$fields_values['allowed_types'] = Array ('image/jpeg', 'image/pjpeg', 'image/png', 'image/gif', 'image/bmp');
+				$fields_values['allowed_types'] = Array ('image/jpeg', 'image/pjpeg', 'image/png', 'image/x-png', 'image/gif', 'image/bmp');
 				$field_prefix = 'Image';
 			}
 			else {