diff --git a/tests/t_client.rc-sample b/tests/t_client.rc-sample
index 31dfafac..4fdea487 100644
--- a/tests/t_client.rc-sample
+++ b/tests/t_client.rc-sample
@@ -11,6 +11,7 @@ top_srcdir="${top_srcdir:-..}"
 CA_CERT="${top_srcdir}/sample/sample-keys/ca.crt"
 CLIENT_KEY="${top_srcdir}/sample/sample-keys/client.key"
 CLIENT_CERT="${top_srcdir}/sample/sample-keys/client.crt"
+#FPING_EXTRA_ARGS="-t 1000"
 
 # Load EXPECT_IFCONFIG* parameters from cache
 if [ -r "${top_builddir}/t_client_ips.rc" ]; then
diff --git a/tests/t_client.sh.in b/tests/t_client.sh.in
index 408703ee..076f6bd8 100755
--- a/tests/t_client.sh.in
+++ b/tests/t_client.sh.in
@@ -231,8 +231,8 @@ run_ping_tests()
     do
 	echo "run IPv$proto ping tests ($want), $bytes byte packets..."
 
-	echo "$cmd -b $bytes -C 20 -p 250 -q $targetlist" >>$LOGDIR/$SUF:fping.out
-	$cmd -b $bytes -C 20 -p 250 -q $targetlist >>$LOGDIR/$SUF:fping.out 2>&1
+	echo "$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
 
 	# while OpenVPN is running, pings must succeed (want='want_ok')
 	# before OpenVPN is up, pings must NOT succeed (want='want_fail')