diff --git a/src/or/main.c b/src/or/main.c
index 8f01b4f31090818ceab50626db5a0127eef6ee56..573b20fc925d3f1c273d31cc952c44c6b50cc38d 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -963,7 +963,8 @@ static void dumpstats(int severity) {
                 (stats_n_data_cells_received*RELAY_PAYLOAD_SIZE)) );
 
   if (stats_n_seconds_uptime)
-    log(severity,"Average bandwidth used: %d bytes/sec",
+    log(severity,"Average bandwidth used: %d/%d = %d bytes/sec",
+           stats_n_bytes_read, stats_n_seconds_uptime,
            (int) (stats_n_bytes_read/stats_n_seconds_uptime));
 
   rep_hist_dump_stats(now,severity);