diff --git a/Makefile.am b/Makefile.am
index 9334aee7..698644ac 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -36,6 +36,7 @@ EXTRA_DIST =			\
 @MOO_PO_SUBDIRS_RULE@
 @MOO_PO_SUBDIRS_RULE2@
 BUILT_SOURCES = po-subdirs-stamp po-subdirs-stamp-2
+CELANFILES = po-subdirs-stamp po-subdirs-stamp-2
 
 DIST_SUBDIRS = moo medit tests po po-gsv