diff --git a/bin/tests/system/tsiggss/ns1/example.nil.zone b/bin/tests/system/tsiggss/ns1/example.nil.db
similarity index 100%
rename from bin/tests/system/tsiggss/ns1/example.nil.zone
rename to bin/tests/system/tsiggss/ns1/example.nil.db
diff --git a/bin/tests/system/tsiggss/ns1/named.conf b/bin/tests/system/tsiggss/ns1/named.conf
index c51c46ebbc..8dbab394f0 100644
--- a/bin/tests/system/tsiggss/ns1/named.conf
+++ b/bin/tests/system/tsiggss/ns1/named.conf
@@ -25,7 +25,7 @@ controls {
 
 zone "example.nil." IN {
 	type master;
-	file "example.nil.zone";
+	file "example.nil.db";
 
 	update-policy {
 		grant Administrator@EXAMPLE.NIL wildcard * A AAAA SRV CNAME;