diff --git a/include/psa/crypto_config.h b/include/psa/crypto_config.h
index 3f95d0e..64d8c58 100644
--- a/include/psa/crypto_config.h
+++ b/include/psa/crypto_config.h
@@ -93,12 +93,7 @@
 #define PSA_WANT_ECC_BRAINPOOL_P_R1_384         1
 #define PSA_WANT_ECC_BRAINPOOL_P_R1_512         1
 #define PSA_WANT_ECC_MONTGOMERY_255             1
-/*
- * Curve448 is not yet supported via the PSA API in Mbed TLS
- * (https://github.com/ARMmbed/mbedtls/issues/4249). Thus, do not enable it by
- * default.
- */
-//#define PSA_WANT_ECC_MONTGOMERY_448             1
+#define PSA_WANT_ECC_MONTGOMERY_448             1
 #define PSA_WANT_ECC_SECP_K1_192                1
 /*
  * SECP224K1 is buggy via the PSA API in Mbed TLS