diff --git a/subsys/random/rand32_ctr_drbg.c b/subsys/random/rand32_ctr_drbg.c
index 1f292dffad5..be780c0e0ba 100644
--- a/subsys/random/rand32_ctr_drbg.c
+++ b/subsys/random/rand32_ctr_drbg.c
@@ -28,7 +28,7 @@
 
 static K_SEM_DEFINE(state_sem, 1, 1);
 
-static const struct device *entropy_driver;
+static const struct device *entropy_dev = DEVICE_DT_GET(DT_CHOSEN(zephyr_entropy));
 static const unsigned char drbg_seed[] = CONFIG_CS_CTR_DRBG_PERSONALIZATION;
 
 #if defined(CONFIG_MBEDTLS)
@@ -37,7 +37,7 @@ static mbedtls_ctr_drbg_context ctr_ctx;
 
 static int ctr_drbg_entropy_func(void *ctx, unsigned char *buf, size_t len)
 {
-	return entropy_get_entropy(entropy_driver, (void *)buf, len);
+	return entropy_get_entropy(entropy_dev, (void *)buf, len);
 }
 
 #elif defined(CONFIG_TINYCRYPT)
@@ -51,16 +51,9 @@ static int ctr_drbg_initialize(void)
 {
 	int ret;
 
-	/* Only one entropy device exists, so this is safe even
-	 * if the whole operation isn't atomic.
-	 */
-	entropy_driver = device_get_binding(DT_CHOSEN_ZEPHYR_ENTROPY_LABEL);
-	if (!entropy_driver) {
-		__ASSERT((entropy_driver != NULL),
-			"Device driver for %s (DT_CHOSEN_ZEPHYR_ENTROPY_LABEL) not found. "
-			"Check your build configuration!",
-			DT_CHOSEN_ZEPHYR_ENTROPY_LABEL);
-		return -EINVAL;
+	if (!device_is_ready(entropy_dev)) {
+		__ASSERT(0, "Entropy device %s not ready", entropy_dev->name);
+		return -ENODEV;
 	}
 
 #if defined(CONFIG_MBEDTLS)
@@ -82,7 +75,7 @@ static int ctr_drbg_initialize(void)
 
 	uint8_t entropy[TC_AES_KEY_SIZE + TC_AES_BLOCK_SIZE];
 
-	ret = entropy_get_entropy(entropy_driver, (void *)&entropy,
+	ret = entropy_get_entropy(entropy_dev, (void *)&entropy,
 				  sizeof(entropy));
 	if (ret != 0) {
 		return -EIO;
@@ -109,7 +102,7 @@ int z_impl_sys_csrand_get(void *dst, uint32_t outlen)
 	int ret;
 	unsigned int key = irq_lock();
 
-	if (unlikely(!entropy_driver)) {
+	if (unlikely(!entropy_dev)) {
 		ret = ctr_drbg_initialize();
 		if (ret != 0) {
 			ret = -EIO;
@@ -131,7 +124,7 @@ int z_impl_sys_csrand_get(void *dst, uint32_t outlen)
 		ret = 0;
 	} else if (ret == TC_CTR_PRNG_RESEED_REQ) {
 
-		ret = entropy_get_entropy(entropy_driver,
+		ret = entropy_get_entropy(entropy_dev,
 				    (void *)&entropy, sizeof(entropy));
 		if (ret != 0) {
 			ret = -EIO;