diff --git a/bootstrap.conf b/bootstrap.conf
index c59dd02d..4f7dc8f7 100644
--- a/bootstrap.conf
+++ b/bootstrap.conf
@@ -111,8 +111,8 @@ unlink
 unlocked-io
 update-copyright
 libunistring-optional
-unistr/base
-unicase/tolower
+unistr/u8-strlen
+unicase/u8-tolower
 utimens
 vasprintf
 vsnprintf