diff --git a/regress/keygen-moduli.sh b/regress/keygen-moduli.sh
index a8eccfb69..8be53f92f 100644
--- a/regress/keygen-moduli.sh
+++ b/regress/keygen-moduli.sh
@@ -1,4 +1,4 @@
-#	$OpenBSD: keygen-moduli.sh,v 1.3 2019/07/23 08:19:29 dtucker Exp $
+#	$OpenBSD: keygen-moduli.sh,v 1.4 2020/01/02 13:25:38 dtucker Exp $
 #	Placed in the Public Domain.
 
 tid="keygen moduli"
@@ -14,10 +14,10 @@ done
 # and "skip 2 and run to the end with checkpointing".  Since our test data
 # file has 3 lines, these should always result in 1 line of output.
 if [ "x$dhgex" = "x1" ]; then
-    for i in "-J1" "-j1 -J1" "-j2 -K $OBJ/moduli.ckpt"; do
+    for i in "-O lines=1" "-O start-line=1 -O lines=1" "-O start-line=2 -O checkpoint=$OBJ/moduli.ckpt"; do
 	trace "keygen $i"
 	rm -f $OBJ/moduli.out $OBJ/moduli.ckpt
-	${SSHKEYGEN} -T $OBJ/moduli.out -f ${SRC}/moduli.in $i 2>/dev/null || \
+	${SSHKEYGEN} -M screen -f ${SRC}/moduli.in $i $OBJ/moduli.out 2>/dev/null || \
 	    fail "keygen screen failed $i"
 	lines=`wc -l <$OBJ/moduli.out`
 	test "$lines" -eq "1" || fail "expected 1 line, got $lines"