diff --git a/tests/openpgp/Makefile.am b/tests/openpgp/Makefile.am
index 01813861b..4e09c2327 100644
--- a/tests/openpgp/Makefile.am
+++ b/tests/openpgp/Makefile.am
@@ -62,6 +62,7 @@ TESTS = version.test mds.test \
 
 TEST_FILES = pubring.asc secring.asc plain-1o.asc plain-2o.asc plain-3o.asc \
 	     plain-1.asc plain-2.asc plain-3.asc plain-1-pgp.asc \
+	     plain-largeo.asc \
 	     pubring.pkr.asc secring.skr.asc secdemo.asc pubdemo.asc \
              gpg.conf.tmpl gpg-agent.conf.tmpl \
 	     bug537-test.data.asc bug894-test.asc \