diff --git a/Makefile.am b/Makefile.am
index 22bbd561..a92024fb 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -15,4 +15,15 @@ SUBDIRS += man
 endif
 
 CLEANFILES = man/8.out man/po/remove-potcdate.* man/*/login.defs.d man/*/*.mo
+
 EXTRA_DIST = tests/
+
+dist-hook:
+	chmod -R u+w $(distdir)/tests
+	chmod u+w $(distdir)
+	mv $(distdir)/tests/unit $(distdir)/realunittest
+	mv $(distdir)/tests/tests $(distdir)/realtests
+	rm -rf $(distdir)/tests
+	mv $(distdir)/realtests $(distdir)/tests
+	rm -rf $(distdir)/tests/unit $(distdir)/tests/Makefile*
+	mv $(distdir)/realunittest $(distdir)/tests/unit