@@ -197,7 +197,7 @@ func (cli *DockerCli) CmdBuild(args ...string) error {

 	v := &url.Values{}

 	v.Set("t", *tag)

 	// Send the multipart request with correct content-type

-	req, err := http.NewRequest("POST", fmt.Sprintf("/v%s/build?%s", APIVERSION, v.Encode()), multipartBody)

+	req, err := http.NewRequest("POST", fmt.Sprintf("/v%g/build?%s", APIVERSION, v.Encode()), multipartBody)

 	if err != nil {

 		return err

 	}