diff --git a/drivers/spi/spi-loopback-test.c b/drivers/spi/spi-loopback-test.c
index 50e620f4e8fe2ae29c655358e38d771c464ec01d..99422f3a15e07ddaa4e40b85a74ee1d781324b50 100644
--- a/drivers/spi/spi-loopback-test.c
+++ b/drivers/spi/spi-loopback-test.c
@@ -132,7 +132,7 @@ static struct spi_test spi_tests[] = {
 		.fill_option	= FILL_COUNT_8,
 		.iterate_len    = { ITERATE_MAX_LEN },
 		.iterate_tx_align = ITERATE_ALIGN,
-		.iterate_transfer_mask = BIT(1),
+		.iterate_transfer_mask = BIT(0),
 		.transfers		= {
 			{
 				.len = 1,
@@ -149,7 +149,7 @@ static struct spi_test spi_tests[] = {
 		.fill_option	= FILL_COUNT_8,
 		.iterate_len    = { ITERATE_MAX_LEN },
 		.iterate_tx_align = ITERATE_ALIGN,
-		.iterate_transfer_mask = BIT(0),
+		.iterate_transfer_mask = BIT(1),
 		.transfers		= {
 			{
 				.len = 16,