diff --git a/drivers/spi/spim_nrf52_legacy.c b/drivers/spi/spim_nrf52_legacy.c
index 061dfcc9dfa..9fdfce3b76a 100644
--- a/drivers/spi/spim_nrf52_legacy.c
+++ b/drivers/spi/spim_nrf52_legacy.c
@@ -329,7 +329,7 @@ static int spim_nrf52_init(struct device *dev)
 		if (config->psel.ss[i] != SS_UNUSED) {
 			status = gpio_pin_configure(data->gpio_port,
 						    config->psel.ss[i],
-						    GPIO_DIR_OUT);
+						    GPIO_DIR_OUT | GPIO_PUD_PULL_UP);
 			__ASSERT_NO_MSG(status == 0);
 
 			spim_nrf52_csn(data->gpio_port, config->psel.ss[i],