diff --git a/tests/drivers/flash_simulator/src/main.c b/tests/drivers/flash_simulator/src/main.c
index d24d605e950..a5825019136 100644
--- a/tests/drivers/flash_simulator/src/main.c
+++ b/tests/drivers/flash_simulator/src/main.c
@@ -32,7 +32,7 @@
 		(((((((0xff & pat) << 8) | (0xff & pat)) << 8) | \
 		   (0xff & pat)) << 8) | (0xff & pat))
 
-static const struct device *flash_dev;
+static const struct device *flash_dev = DEVICE_DT_GET(DT_CHOSEN(zephyr_flash_controller));
 static uint8_t test_read_buf[TEST_SIM_FLASH_SIZE];
 
 static uint32_t p32_inc;
@@ -76,10 +76,8 @@ static void test_init(void)
 {
 	int rc;
 
-	flash_dev = device_get_binding(DT_CHOSEN_ZEPHYR_FLASH_CONTROLLER_LABEL);
-
-	zassert_true(flash_dev != NULL,
-		     "Simulated flash driver was not found!");
+	zassert_true(device_is_ready(flash_dev),
+		     "Simulated flash device not ready");
 
 	rc = flash_erase(flash_dev, FLASH_SIMULATOR_BASE_OFFSET,
 			 FLASH_SIMULATOR_FLASH_SIZE);