diff --git a/srfi-180.org b/srfi-180.org
index 1cf7b35..ec9bb4c 100644
--- a/srfi-180.org
+++ b/srfi-180.org
@@ -203,6 +203,7 @@ The needed token predicates are:
 
 #+name: tokenpred-whitespace-test
 #+begin_src scheme :tangle tests/run.scm :noweb strip-tangle :exports none :post test-post(input=*this*) :results output
+  <<prep-test>>
   <<tokpred-whitespace>>
   (test-group "Whitespace predicate"
     (test "#\\space"