diff --git a/network/errors.go b/network/errors.go
index f0cf7291e8eb2cf48a1115716fa7f7eaea177e58..fa75f3e5ddf4709935eb23d11209ec86739a08f7 100644
--- a/network/errors.go
+++ b/network/errors.go
@@ -8,3 +8,7 @@ var ErrNoRemoteAddrs = errors.New("no remote addresses")
 // ErrNoConn is returned when attempting to open a stream to a peer with the NoDial
 // option and no usable connection is available.
 var ErrNoConn = errors.New("no usable connection to peer")
+
+// ErrTransientConn is returned when attempting to open a stream to a peer with only a transient
+// connection, without specifying the UseTransient option.
+var ErrTransientConn = errors.New("transient connection to peer")