diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index 00b756fb8..14d2e2bc4 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -311,6 +311,14 @@ extern "C" {
 #endif /* !MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_PUBLIC_KEY */
 #endif /* PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY */
 
+#if defined(PSA_WANT_KEY_TYPE_FFDH_PUBLIC_KEY)
+#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_FFDH_PUBLIC_KEY)
+#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_FFDH_PUBLIC_KEY 1
+#define MBEDTLS_DHM_C
+#define MBEDTLS_BIGNUM_C
+#endif /* !MBEDTLS_PSA_ACCEL_KEY_TYPE_FFDH_PUBLIC_KEY */
+#endif /* PSA_WANT_KEY_TYPE_FFDH_PUBLIC_KEY */
+
 #if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR)
 #if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR)
 #define MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR 1