client_test.go       | 1 +
 config.go            | 1 +
 fs/torrentfs_test.go | 1 +

diff --git a/client_test.go b/client_test.go
index a1db9db07c242a7e3df113fc1ceb8d06c4b75b6a..e0854867ebbad8a1b18f503867bc3f69f6324424 100644
--- a/client_test.go
+++ b/client_test.go
@@ -36,6 +36,7 @@ 	cfg.DataDir = tempDir()
 	cfg.DisableTrackers = true
 	cfg.NoDefaultPortForwarding = true
 	cfg.DisableAcceptRateLimiting = true
+	cfg.ListenPort = 0
 	return cfg
 }
 
diff --git a/config.go b/config.go
index 5582456a0a91fec91457afaa9bd91097510266c9..f4c190fb62f1f98d9d767190ce1d1b47fcc80f88 100644
--- a/config.go
+++ b/config.go
@@ -164,6 +164,7 @@ 			RequirePreferred: false,
 		},
 		CryptoSelector: mse.DefaultCryptoSelector,
 		CryptoProvides: mse.AllSupportedCrypto,
+		ListenPort:     42069,
 	}
 	cc.ConnTracker.SetNoMaxEntries()
 	cc.ConnTracker.Timeout = func(conntrack.Entry) time.Duration { return 0 }
diff --git a/fs/torrentfs_test.go b/fs/torrentfs_test.go
index 4a37a351928d51aa0368004e641f073f2c5d8531..582f9c2d5ff2b64ed023387da531545bf9dcf9f2 100644
--- a/fs/torrentfs_test.go
+++ b/fs/torrentfs_test.go
@@ -189,6 +189,7 @@ 	cfg.NoDHT = true
 	cfg.DisableTCP = true
 	cfg.DefaultStorage = storage.NewMMap(filepath.Join(layout.BaseDir, "download"))
 	cfg.ListenHost = torrent.LoopbackListenHost
+	cfg.ListenPort = 0
 	leecher, err := torrent.NewClient(cfg)
 	require.NoError(t, err)
 	testutil.ExportStatusWriter(leecher, "l")()