diff --git a/esp_encrypted_img/test/test.c b/esp_encrypted_img/test/test.c
index 208ca10..f8224d6 100644
--- a/esp_encrypted_img/test/test.c
+++ b/esp_encrypted_img/test/test.c
@@ -7,7 +7,11 @@
 #include <freertos/FreeRTOS.h>
 
 #include "unity.h"
-#include "esp_random.h"
+#if __has_include("esp_random.h")
+  #include "esp_random.h"
+#else
+  #include "esp_system.h"
+#endif
 #include "esp_encrypted_img.h"
 
 extern const uint8_t rsa_private_pem_start[] asm("_binary_test_rsa_private_key_pem_start");
diff --git a/libsodium/port/randombytes_esp32.c b/libsodium/port/randombytes_esp32.c
index b47dfba..6f57437 100644
--- a/libsodium/port/randombytes_esp32.c
+++ b/libsodium/port/randombytes_esp32.c
@@ -4,7 +4,11 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 #include "sdkconfig.h"
-#include "esp_random.h"
+#if __has_include("esp_random.h")
+  #include "esp_random.h"
+#else
+  #include "esp_system.h"
+#endif
 #include "randombytes_internal.h"
 
 static const char *randombytes_esp32xx_implementation_name(void)