diff --git a/regress/usr.bin/ssh/agent.sh b/regress/usr.bin/ssh/agent.sh
index 8a008d2e132..61a28064013 100644
--- a/regress/usr.bin/ssh/agent.sh
+++ b/regress/usr.bin/ssh/agent.sh
@@ -1,4 +1,4 @@
-#	$OpenBSD: agent.sh,v 1.24 2026/06/14 04:08:05 djm Exp $
+#	$OpenBSD: agent.sh,v 1.25 2026/06/15 06:24:20 djm Exp $
 #	Placed in the Public Domain.
 
 tid="simple agent test"
@@ -150,7 +150,7 @@ for t in ${SSH_KEYTYPES}; do
 	trace "connect via agent using $t key"
 	# Accept both keys and certs.
 	BASE=`echo $t | cut -d '@' -f1`
-	ACCEPT=`$SSH -Q key | grep "^$BASE" | paste -sd , -`
+	ACCEPT=`$SSH -Q key | grep "^$BASE" | xargs echo | sed 's/ /,/g'`
 	grep -vi PubkeyAcceptedAlgorithms $OBJ/sshd_proxy.bak > $OBJ/sshd_proxy
 	echo "PubkeyAcceptedAlgorithms=+$ACCEPT" >> $OBJ/sshd_proxy
 	grep -vi PubkeyAcceptedAlgorithms $OBJ/ssh_proxy.bak > $OBJ/ssh_proxy