diff --git a/src/core/config/crypto.h b/src/core/config/crypto.h
index ec741ca6b..fcc11ff2b 100644
--- a/src/core/config/crypto.h
+++ b/src/core/config/crypto.h
@@ -49,7 +49,7 @@
  * - @sa OPENTHREAD_CONFIG_CRYPTO_LIB_PLATFORM
  */
 #ifndef OPENTHREAD_CONFIG_CRYPTO_LIB
-#define OPENTHREAD_CONFIG_CRYPTO_LIB OPENTHREAD_CONFIG_CRYPTO_LIB_MBEDTLS
+#define OPENTHREAD_CONFIG_CRYPTO_LIB OPENTHREAD_CONFIG_CRYPTO_LIB_PSA
 #endif
 
 /** Use mbedtls as crypto library */