diff --git a/hw/application_fpga/fw/tk1/main.c b/hw/application_fpga/fw/tk1/main.c
index c3f6ba4..befc7f0 100644
--- a/hw/application_fpga/fw/tk1/main.c
+++ b/hw/application_fpga/fw/tk1/main.c
@@ -447,9 +447,9 @@ int main(void)
 
 	scramble_ram();
 
+	readbyte();
 	spi_test();
 
-	write("\n", sizeof("\n"));
 	for (;;) {
 		switch (state) {
 		case FW_STATE_INITIAL: