Version 5.0.0 beta 5

system/Helpers/Form/Upload.php

@@ -457,13 +457,14 @@ class Upload extends FormAbstract
 				/* Set existing files */
 				if ( $this->options['temporary'] )
 				{
+					$fileSize = mb_strlen( file_get_contents( $file ) );
 					$existing[] = array(
 						'id'				=> $id,
 						'insertable'	 	=> (bool) $this->options['postKey'],
 						'hasThumb'			=> false,
 						'originalFileName' 	=> $file,
-						'size'				=> Filesize::humanReadableFilesize( $file, FALSE, TRUE ),
-						'sizeRaw'			=> $file,
+						'size'				=> Filesize::humanReadableFilesize( $fileSize, FALSE, TRUE ),
+						'sizeRaw'			=> $fileSize,
 						'custom'			=> NULL
 					);
 				}