Don't accept CertificateRequest with PSK suites
diff --git a/library/ssl_srv.c b/library/ssl_srv.c
index 33ce2bc..530c866 100644
--- a/library/ssl_srv.c
+++ b/library/ssl_srv.c
@@ -1933,7 +1933,8 @@
 }
 #endif /* !POLARSSL_KEY_EXCHANGE_RSA_ENABLED &&
           !POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED &&
-          !POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED */
+          !POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED &&
+          !POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
 
 static int ssl_write_server_key_exchange( ssl_context *ssl )
 {