diff --git a/core/function.php b/core/function.php
index 771242c..d97da1a 100755
--- a/core/function.php
+++ b/core/function.php
@@ -482,7 +482,7 @@ function byteConvert($bytes) {
 
 	if ($bytes == 0) return "0 B";
 
-	$s = array('B', 'Kb', 'MB', 'GB', 'TB', 'PB');
+	$s = array('B', 'KB', 'MB', 'GB', 'TB', 'PB');
 	$e = floor(log($bytes)/log(1024));
      
 	return sprintf('%.2f '.$s[$e], ($bytes/pow(1024, $e)));