diff --git a/opts/opts.go b/opts/opts.go
index d2c32f13c7..1db454736e 100644
--- a/opts/opts.go
+++ b/opts/opts.go
@@ -14,9 +14,13 @@ import (
 )
 
 var (
-	alphaRegexp       = regexp.MustCompile(`[a-zA-Z]`)
-	domainRegexp      = regexp.MustCompile(`^(:?(:?[a-zA-Z0-9]|(:?[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9]))(:?\.(:?[a-zA-Z0-9]|(:?[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])))*)\.?\s*$`)
-	DefaultHTTPHost   = "127.0.0.1"            // Default HTTP Host used if only port is provided to -H flag e.g. docker -d -H tcp://:8080
+	alphaRegexp     = regexp.MustCompile(`[a-zA-Z]`)
+	domainRegexp    = regexp.MustCompile(`^(:?(:?[a-zA-Z0-9]|(:?[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9]))(:?\.(:?[a-zA-Z0-9]|(:?[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])))*)\.?\s*$`)
+	DefaultHTTPHost = "127.0.0.1" // Default HTTP Host used if only port is provided to -H flag e.g. docker -d -H tcp://:8080
+	// TODO Windows. DefaultHTTPPort is only used on Windows if a -H parameter
+	// is not supplied. A better longer term solution would be to use a named
+	// pipe as the default on the Windows daemon.
+	DefaultHTTPPort   = 2375                   // Default HTTP Port
 	DefaultUnixSocket = "/var/run/docker.sock" // Docker daemon by default always listens on the default unix socket
 )