diff --git a/testdata/val_ta_algo_missing.rpl b/testdata/val_ta_algo_missing.rpl
index 67e5fa235..d8c89807b 100644
--- a/testdata/val_ta_algo_missing.rpl
+++ b/testdata/val_ta_algo_missing.rpl
@@ -6,6 +6,7 @@ server:
 	trust-anchor: "example.com.	3600	IN	DS	30899 7 1 d4bf9d2e10f6d76840d42ef5913022abcd0bf512"
 	val-override-date: "20070916134226"
 	target-fetch-policy: "0 0 0 0 0"
+	harden-algo-downgrade: yes
 
 stub-zone:
 	name: "."