diff -r 59ba3dbd1400 -r 7caa1139b4e5 src/HOL/Predicate_Compile_Examples/Hotel_Example_Prolog.thy
--- a/src/HOL/Predicate_Compile_Examples/Hotel_Example_Prolog.thy	Mon Jul 18 10:34:21 2011 +0200
+++ b/src/HOL/Predicate_Compile_Examples/Hotel_Example_Prolog.thy	Mon Jul 18 10:34:21 2011 +0200
@@ -23,7 +23,7 @@
 
 values 40 "{s. hotel s}"
 
-setup {* Context.theory_map (Quickcheck.add_generator ("prolog", Code_Prolog.quickcheck)) *}
+setup {* Context.theory_map (Quickcheck.add_tester ("prolog", (Code_Prolog.active, Code_Prolog.test_goals))) *}
 
 lemma "\<lbrakk> hotel s; g \<in> isin s r \<rbrakk> \<Longrightarrow> owns s r = Some g"
 quickcheck[tester = random, iterations = 10000, report]