diff --git a/Makefile.am b/Makefile.am
index 92bf97711..f373aefb2 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -9,6 +9,7 @@ EXTRA_DIST = Makefile.cfg Makefile.maint GNUmakefile \
   .x-sc_useless_cpp_parens \
   .x-sc_no_if_have_config_h \
   .x-sc_require_config_h \
+  .x-sc_prohibit_assert_without_use \
   announce-gen \
   build-aux/cvsu \
   m4/ChangeLog \