diff --git a/pkgs/racket-doc/scribblings/reference/generic.scrbl b/pkgs/racket-doc/scribblings/reference/generic.scrbl
index 4b317d0f9f..a1c77b3f82 100644
--- a/pkgs/racket-doc/scribblings/reference/generic.scrbl
+++ b/pkgs/racket-doc/scribblings/reference/generic.scrbl
@@ -1,5 +1,5 @@
 #lang scribble/manual
-@(require (for-label racket/base racket/generic))
+@(require (for-label racket/base racket/generic racket/contract/base))
 
 @title[#:tag "struct-generics"]{Generic Interfaces}