diff --git a/library/ecdsa.c b/library/ecdsa.c
index babc588..df8122e 100644
--- a/library/ecdsa.c
+++ b/library/ecdsa.c
@@ -409,7 +409,7 @@
 int mbedtls_ecdsa_genkey( mbedtls_ecdsa_context *ctx, mbedtls_ecp_group_id gid,
                   int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
 {
-    return( mbedtls_ecp_use_known_dp( &ctx->grp, gid ) ||
+    return( mbedtls_ecp_group_load( &ctx->grp, gid ) ||
             mbedtls_ecp_gen_keypair( &ctx->grp, &ctx->d, &ctx->Q, f_rng, p_rng ) );
 }