diff --git a/library/ssl_msg.c b/library/ssl_msg.c
index 59cb9d2..928d6fc 100644
--- a/library/ssl_msg.c
+++ b/library/ssl_msg.c
@@ -1561,7 +1561,7 @@
                                    mac_expect );
             if( ret != 0 )
             {
-                MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_cf_hmac", ret );
+                MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ct_hmac", ret );
                 return( ret );
             }