diff --git a/components/bt/esp_ble_mesh/mesh_common/tinycrypt/include/tinycrypt/ecc_platform_specific.h b/components/bt/esp_ble_mesh/mesh_common/tinycrypt/include/tinycrypt/ecc_platform_specific.h
index 25d725b93..972e5f7fe 100644
--- a/components/bt/esp_ble_mesh/mesh_common/tinycrypt/include/tinycrypt/ecc_platform_specific.h
+++ b/components/bt/esp_ble_mesh/mesh_common/tinycrypt/include/tinycrypt/ecc_platform_specific.h
@@ -74,7 +74,7 @@
  * for some platforms, such as Unix and Linux. For other platforms, you may need
  * to provide another PRNG function.
 */
-#define default_RNG_defined 1
+#define default_RNG_defined 0
 
 int default_CSPRNG(uint8_t *dest, unsigned int size);