diff --git a/ccid_host/cuart_test.c b/ccid_host/cuart_test.c
index 0ed6614..d4d8faf 100644
--- a/ccid_host/cuart_test.c
+++ b/ccid_host/cuart_test.c
@@ -44,7 +44,7 @@
 static void test_apdu(void)
 {
 	const uint8_t select_mf[] = "\xa0\xa4\x04\x00\x02\x3f\x00";
-	card_uart_tx(&g_cuart, select_mf, 5, true);
+	card_uart_tx(&g_cuart, select_mf, 5);
 
 	osmo_select_main(true);
 	sleep(1);