diff --git a/lib/util.php b/lib/util.php
index b303e57..69917c4 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -96,7 +96,7 @@ function fbytes($size, $suffixes='B|KiB|MiB|GiB|TiB') {
 		array_shift($sxlist);
 		$size /= 1024;
 	}
-	return number_format($size, 2).array_shift($sxlist);
+	return number_format($size, 2).' '.array_shift($sxlist);
 }
 
 function str_ext($sz) {