diff --git a/tests/drivers/spi/spi_loopback/prj.conf b/tests/drivers/spi/spi_loopback/prj.conf
index f0e641f7623..cde4871f305 100644
--- a/tests/drivers/spi/spi_loopback/prj.conf
+++ b/tests/drivers/spi/spi_loopback/prj.conf
@@ -4,3 +4,4 @@ CONFIG_SPI=y
 CONFIG_SPI_ASYNC=y
 CONFIG_SPI_LOG_LEVEL_INF=y
 CONFIG_ZTEST=y
+CONFIG_ZTEST_THREAD_PRIORITY=1