diff --git a/pym/portage/localization.py b/pym/portage/localization.py
index e4d87b6..afe8950 100644
--- a/pym/portage/localization.py
+++ b/pym/portage/localization.py
@@ -36,4 +36,4 @@ def localized_size(num_bytes):
 
 	# always round up, so that small files don't end up as '0 KiB'
 	num_kib = math.ceil(num_bytes / 1024)
-	return locale.format('%d', num_kib, grouping=True) + ' KiB'
+	return _(locale.format('%d', num_kib, grouping=True) + ' KiB')