diff --git a/pkg/api/login_oauth.go b/pkg/api/login_oauth.go
index c4a5f8fdacf..fe4fa93b621 100644
--- a/pkg/api/login_oauth.go
+++ b/pkg/api/login_oauth.go
@@ -78,6 +78,7 @@ func OAuthLogin(ctx *m.ReqContext) {
 
 	// handle call back
 	tr := &http.Transport{
+		Proxy: http.ProxyFromEnvironment,
 		TLSClientConfig: &tls.Config{
 			InsecureSkipVerify: setting.OAuthService.OAuthInfos[name].TlsSkipVerify,
 		},