diff --git a/intra/dialers/ndial.go b/intra/dialers/ndial.go
index 7dc431cd..36446b09 100644
--- a/intra/dialers/ndial.go
+++ b/intra/dialers/ndial.go
@@ -74,8 +74,8 @@ func netdial(d *net.Dialer, network, addr string, connect netConnectFunc) (net.C
 		log.W("ndial: ip %s for %s failed with err %v", ip, addr, err)
 	}
 
-	dur := time.Since(start).Seconds()
-	log.D("ndial: duration: %ds; failed %s", dur*1000, addr)
+	dur := time.Since(start)
+	log.D("ndial: duration: %s; failed %s", dur, addr)
 	// xxx: return nil, errNoIps?
 	return d.Dial(network, addr)
 }
diff --git a/intra/dialers/pdial.go b/intra/dialers/pdial.go
index ff890195..d56759f0 100644
--- a/intra/dialers/pdial.go
+++ b/intra/dialers/pdial.go
@@ -84,8 +84,8 @@ func proxydial(d proxy.Dialer, network, addr string, connect proxyConnectFunc) (
 		log.W("pdial: ip %s for %s failed with err %v", ip, addr, err)
 	}
 
-	dur := time.Since(start).Seconds()
-	log.D("pdial: duration: %ds; failed %s", dur*1000, addr)
+	dur := time.Since(start)
+	log.D("pdial: duration: %s; failed %s", dur, addr)
 
 	// for example, socks5 proxy does not support dialing hostnames
 	return nil, errNoIps
diff --git a/intra/dialers/rdial.go b/intra/dialers/rdial.go
index a9ea7f98..ed17baec 100644
--- a/intra/dialers/rdial.go
+++ b/intra/dialers/rdial.go
@@ -106,8 +106,8 @@ func commondial(d *protect.RDial, network, addr string, connect connectFunc) (ne
 		log.W("rdial: commondial: ip %s for %s failed with err %v", ip, addr, err)
 	}
 
-	dur := time.Since(start).Seconds()
-	log.D("rdial: commondial: duration: %ds; failed %s", dur*1000, addr)
+	dur := time.Since(start)
+	log.D("rdial: commondial: duration: %s; failed %s", dur, addr)
 	// xxx: return nil, errNoIps
 	return d.Dial(network, addr)
 }
diff --git a/intra/dialers/tlsdial.go b/intra/dialers/tlsdial.go
index 37f22621..cf8e847c 100644
--- a/intra/dialers/tlsdial.go
+++ b/intra/dialers/tlsdial.go
@@ -82,8 +82,8 @@ func tlsdial(d *tls.Dialer, network, addr string, connect tlsConnectFunc) (net.C
 		log.W("tlsdial: ip %s for %s failed with err %v", ip, addr, err)
 	}
 
-	dur := time.Since(start).Seconds()
-	log.D("tlsdial: duration: %ds; failed %s", dur*1000, addr)
+	dur := time.Since(start)
+	log.D("tlsdial: duration: %s; failed %s", dur, addr)
 
 	return nil, errNoIps
 }