diff --git a/tests/t_client.sh.in b/tests/t_client.sh.in
index 76ac9b22..48ba6e68 100755
--- a/tests/t_client.sh.in
+++ b/tests/t_client.sh.in
@@ -238,8 +238,8 @@ run_ping_tests()
     do
 	echo "run IPv$proto ping tests ($want), $bytes byte packets..."
 
-	echo "$cmd -b $bytes -C 20 -p 250 -q $FPING_EXTRA_ARGS $targetlist" >>$LOGDIR/$SUF:fping.out
-	$cmd -b $bytes -C 20 -p 250 -q $FPING_EXTRA_ARGS $targetlist >>$LOGDIR/$SUF:fping.out 2>&1
+	echo "$cmd -b $bytes -C 20 -p 250 -q $fping_args $targetlist" >>$LOGDIR/$SUF:fping.out
+	$cmd -b $bytes -C 20 -p 250 -q $fping_args $targetlist >>$LOGDIR/$SUF:fping.out 2>&1
 
 	# while OpenVPN is running, pings must succeed (want='want_ok')
 	# before OpenVPN is up, pings must NOT succeed (want='want_fail')
@@ -278,6 +278,7 @@ do
     eval expect_ifconfig6=\"\$EXPECT_IFCONFIG6_$SUF\"
     eval ping4_hosts=\"\$PING4_HOSTS_$SUF\"
     eval ping6_hosts=\"\$PING6_HOSTS_$SUF\"
+    eval fping_args=\"\$FPING_EXTRA_ARGS \$FPING_ARGS_$SUF\"
 
     # If EXCEPT_IFCONFIG* variables for this test are missing, run an --up
     # script to generate them dynamically.