diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index ad358b3..f86e3c6 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -1288,6 +1288,7 @@
 unsigned char mbedtls_ssl_hash_from_md_alg( int md );
 int mbedtls_ssl_set_calc_verify_md( mbedtls_ssl_context *ssl, int md );
 
+int mbedtls_ssl_check_curve_tls_id( const mbedtls_ssl_context *ssl, uint16_t tls_id );
 #if defined(MBEDTLS_ECP_C)
 int mbedtls_ssl_check_curve( const mbedtls_ssl_context *ssl, mbedtls_ecp_group_id grp_id );
 #endif