diff --git a/library/ssl_tls12_server.c b/library/ssl_tls12_server.c
index 9e7c52c..191031e 100644
--- a/library/ssl_tls12_server.c
+++ b/library/ssl_tls12_server.c
@@ -2966,7 +2966,7 @@
          * } ServerECDHParams;
          */
         uint16_t *curr_tls_id = ssl->handshake->curves_tls_id;
-        const uint16_t *group_list = mbedtls_ssl_get_groups(ssl);
+        const uint16_t *group_list = ssl->conf->group_list;
         int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
         size_t len = 0;