diff --git a/fontland/fontland/table/cff/cff-private-dict.rkt b/fontland/fontland/table/cff/cff-private-dict.rkt
index 5668a242..e9acfaf0 100644
--- a/fontland/fontland/table/cff/cff-private-dict.rkt
+++ b/fontland/fontland/table/cff/cff-private-dict.rkt
@@ -44,4 +44,4 @@ https://github.com/mbutterick/fontkit/blob/master/src/cff/CFFPrivateDict.js
      (21        nominalWidthX        number                                      0)
      (22        vsindex              number                                      0)
      (23        blend               ,CFFBlendOp                                  #false)
-     (19        Subrs               ,(CFFPointer (CFFIndex) #:relative-to 'local)         #false))))
\ No newline at end of file
+     (19        Subrs               ,(CFFPointer (CFFIndex) #:relative-to 'local)         ,null))))
\ No newline at end of file