diff -r bbbd6cad7df1 -r d75e285fcf3e src/HOL/IsaMakefile
--- a/src/HOL/IsaMakefile	Wed Jun 22 16:35:31 2011 +0200
+++ b/src/HOL/IsaMakefile	Wed Jun 22 13:30:28 2011 -0700
@@ -1594,6 +1594,7 @@
 HOLCF-ex: HOLCF $(LOG)/HOLCF-ex.gz
 
 $(LOG)/HOLCF-ex.gz: $(OUT)/HOLCF \
+  HOLCF/ex/Concurrency_Monad.thy \
   HOLCF/ex/Dagstuhl.thy \
   HOLCF/ex/Dnat.thy \
   HOLCF/ex/Domain_Proofs.thy \