diff --git a/torrent.go b/torrent.go
index ed58da14..b9aefae3 100644
--- a/torrent.go
+++ b/torrent.go
@@ -1446,12 +1446,12 @@ func (t *Torrent) pieceHashed(piece int, correct bool) {
 			c.badPiecesDirtied++
 		}
 		slices.Sort(touchers, connLessTrusted)
-		log.Printf("dropping first corresponding conn from trust: %s", func() (ret []int) {
+		log.Printf("dropping first corresponding conn from trust: %v", func() (ret []int) {
 			for _, c := range touchers {
 				ret = append(ret, c.netGoodPiecesDirtied())
 			}
 			return
-		})
+		}())
 		c := touchers[0]
 		t.cl.banPeerIP(missinggo.AddrIP(c.remoteAddr()))
 		c.Drop()