diff --git a/tests/db/Makefile.am b/tests/db/Makefile.am
index 81c5cba28..0d488dc1b 100644
--- a/tests/db/Makefile.am
+++ b/tests/db/Makefile.am
@@ -67,6 +67,7 @@ CLEANFILES= \
 	krb5-mit.conf krb5-mit.conf.tmp \
 	tempfile \
 	log.current-db* \
+	heimdal-db* \
 	messages.log
 
 EXTRA_DIST = \