diff --git a/library/ssl_srv.c b/library/ssl_srv.c
index b442e65..7d22b48 100644
--- a/library/ssl_srv.c
+++ b/library/ssl_srv.c
@@ -2938,10 +2938,10 @@
 
         MBEDTLS_SSL_DEBUG_MSG( 2, ( "ECDHE curve: %s", (*curve)->name ) );
 
-        if( ( ret = mbedtls_ecp_use_known_dp( &ssl->handshake->ecdh_ctx.grp,
+        if( ( ret = mbedtls_ecp_group_load( &ssl->handshake->ecdh_ctx.grp,
                                        (*curve)->grp_id ) ) != 0 )
         {
-            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecp_use_known_dp", ret );
+            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecp_group_load", ret );
             return( ret );
         }