diff --git a/library/ssl_tls12_server.c b/library/ssl_tls12_server.c
index d5282d7..facf09b 100644
--- a/library/ssl_tls12_server.c
+++ b/library/ssl_tls12_server.c
@@ -1992,7 +1992,7 @@
     else
     {
         mbedtls_ssl_mode_t ssl_mode =
-            mbedtls_get_mode_from_ciphersuite(
+            mbedtls_ssl_get_mode_from_ciphersuite(
                 ssl->session_negotiate->encrypt_then_mac,
                 suite );