diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index b388156..1ef50c2 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -7538,8 +7538,8 @@
             if( endpoint == MBEDTLS_SSL_IS_SERVER )
             {
                 if( ( ret = mbedtls_ssl_conf_dh_param( conf,
-                                MBEDTLS_DHM_RFC5114_MODP_2048_P,
-                                MBEDTLS_DHM_RFC5114_MODP_2048_G ) ) != 0 )
+                               mbedtls_dhm_rfc7919_ffdhe2048_p,
+                               mbedtls_dhm_rfc7919_ffdhe2048_g ) ) != 0 )
                 {
                     return( ret );
                 }