diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index 376834a..528e215 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -32,22 +32,25 @@
 extern "C" {
 #endif
 
-//#define PSA_WANT_ALG_ECDSA
-//#define MBEDTLS_PSA_ACCEL_ALG_ECDSA
-//#define PSA_WANT_ALG_ECDSA_DETERMINISTIC
-//#define MBEDTLS_PSA_ACCEL_ALG_ECDSA_DETERMINISTIC
+#if defined(MBEDTLS_PSA_CRYPTO_CONFIG)
 
-#if defined(PSA_WANT_ALG_ECDSA) && !defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA)
+#if defined(PSA_WANT_ALG_ECDSA)
+#if !defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA)
 #define MBEDTLS_PSA_BUILTIN_ALG_ECDSA
-#else /* defined(PSA_WANT_ALG_ECDSA) && !defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA)*/
+#else /* !defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA) */
 #define MBEDTLS_ECDSA_C
-#endif /* defined(PSA_WANT_ALG_ECDSA) && !defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA)*/
+#endif /* !defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA) */
+#endif /* defined(PSA_WANT_ALG_ECDSA) */
 
-#if defined(PSA_WANT_ALG_DETERMINISTIC_ECDSA) && !defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA_DETERMINISTIC)
+#if defined(PSA_WANT_ALG_DETERMINISTIC_ECDSA)
+#if !defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA_DETERMINISTIC)
 #define MBEDTLS_PSA_BUILTIN_ALG_DETERMINISTIC_ECDSA
-#else /* defined(PSA_WANT_ALG_DETERMINISTIC_ECDSA) && !defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA_DETERMINISTIC) */
+#else /*  && !defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA_DETERMINISTIC) */
 #define MBEDTLS_ECDSA_DETERMINISTIC
-#endif /* defined(PSA_WANT_ALG_DETERMINISTIC_ECDSA) && !defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA_DETERMINISTIC) */
+#endif /* !defined(MBEDTLS_PSA_ACCEL_ALG_ECDSA_DETERMINISTIC) */
+#endif /* defined(PSA_WANT_ALG_DETERMINISTIC_ECDSA) */
+
+#endif /* MBEDTLS_PSA_CRYPTO_CONFIG */
 
 #ifdef __cplusplus
 }