diff --git a/tests/Makefile.am b/tests/Makefile.am
index b98a38fdc..5205ad80f 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,5 +1,6 @@
 EXTRA_DIST = ftpserver.pl httpserver.pl httpsserver.pl runtests.pl \
-	     ftpsserver.pl stunnel.pm getpart.pm FILEFORMAT README
+	     ftpsserver.pl stunnel.pm getpart.pm FILEFORMAT README \
+	     stunnel.pem
 
 SUBDIRS = data