diff --git a/docker/docker_client.go b/docker/docker_client.go
index 48427f3d37..3543b49b61 100644
--- a/docker/docker_client.go
+++ b/docker/docker_client.go
@@ -533,6 +533,11 @@ func (c *dockerClient) getBearerToken(ctx context.Context, challenge challenge,
 	defer res.Body.Close()
 	switch res.StatusCode {
 	case http.StatusUnauthorized:
+		resBody, err := ioutil.ReadAll(res.Body)
+		if err != nil {
+			return nil, err
+		}
+		logrus.Debugf("%s", string(resBody))
 		return nil, ErrUnauthorizedForCredentials
 	case http.StatusOK:
 		break