diff --git a/revid/senders.go b/revid/senders.go
index cdcb4a77..11420d72 100644
--- a/revid/senders.go
+++ b/revid/senders.go
@@ -142,7 +142,7 @@ func extractMeta(r string, log func(lvl int8, msg string, args ...interface{}))
 		if err != nil {
 			log(logger.Warning, "No timestamp in reply")
 		} else {
-			log(logger.Debug, fmt.Sprintf("got timestamp: %v", t))
+			log(logger.Debug, "got timestamp", "ts", t)
 			mts.RealTime.Set(time.Unix(int64(t), 0))
 		}
 	}