diff --git a/foreign/c.sld b/foreign/c.sld
index fd42815..3935c40 100644
--- a/foreign/c.sld
+++ b/foreign/c.sld
@@ -154,6 +154,7 @@
               get-environment-variable
               file-exists?
               make-external-function
+              address->c-bytevector
               foreign-c:string-split
               c-bytevector-pointer-set!
               c-bytevector-pointer-ref))