diff --git a/Makefile.in b/Makefile.in
index f653eccb3..ec9416e97 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -155,6 +155,7 @@ target_alias = @target_alias@
 SUBDIRS = lib src doc man m4 po tests
 EXTRA_DIST = Makefile.cfg Makefile.maint GNUmakefile \
   .kludge-stamp .prev-version THANKS-to-translators THANKStt.in \
+  .x-sc_space_tab .x-sc_sun_os_names \
   announce-gen \
   old/fileutils/ChangeLog \
   old/fileutils/ChangeLog-1997 \