client.go | 2 +-

diff --git a/client.go b/client.go
index c6801cf10740037ef5ac7c0cbfd61cff2371a4ae..847da20b6a508c91cf58f2fc7b8a216088cbc7f2 100644
--- a/client.go
+++ b/client.go
@@ -690,7 +690,7 @@ 	// failure.
 	cl.noLongerHalfOpen(t, addr.String())
 	if err != nil {
 		if cl.config.Debug {
-			cl.logger.Printf("error establishing outgoing connection: %s", err)
+			cl.logger.Printf("error establishing outgoing connection to %v: %v", addr, err)
 		}
 		return
 	}