diff --git a/src/common/tortls.c b/src/common/tortls.c
index 18554068db..308c981559 100644
--- a/src/common/tortls.c
+++ b/src/common/tortls.c
@@ -871,11 +871,13 @@ tor_tls_get_n_raw_bytes(tor_tls_t *tls, size_t *n_read, size_t *n_written)
   unsigned long r, w;
   r = BIO_number_read(SSL_get_rbio(tls->ssl));
   w = BIO_number_written(SSL_get_wbio(tls->ssl));
+
   /* We are ok with letting these unsigned ints go "negative" here:
    * If we wrapped around, this should still give us the right answer, unless
    * we wrapped around by more than ULONG_MAX since the last time we called
    * this function.
    */
+
   *n_read = (size_t)(r - tls->last_read_count);
   *n_written = (size_t)(w - tls->last_write_count);
   tls->last_read_count = r;