diff --git a/lib/srfi/159/base.sld b/lib/srfi/159/base.sld
index f3faa7c9..7121a95f 100644
--- a/lib/srfi/159/base.sld
+++ b/lib/srfi/159/base.sld
@@ -2,7 +2,7 @@
 (define-library (srfi 159 base)
   (import (chibi show))
   (export
-   show fn fn-fork with update! each each-in-list call-with-output
+   show fn fn-fork with with! each each-in-list call-with-output
    displayed written written-shared written-simply
    numeric numeric/comma numeric/si numeric/fitted
    nothing nl fl space-to tab-to escaped maybe-escaped