# Knife ssl fetch ERROR: ArgumentError: unknown proxy scheme 'https"

**URL:** https://discourse.chef.io/t/knife-ssl-fetch-error-argumenterror-unknown-proxy-scheme-https/8579
**Category:** Chef Infra (archive)
**Created:** [May 27, 2016, 3:16pm UTC](https://discourse.chef.io/t/knife-ssl-fetch-error-argumenterror-unknown-proxy-scheme-https/8579 "2016-05-27T15:16:42Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![newtochef](https://avatars.discourse-cdn.com/v4/letter/n/a9adbd/32.png) [@newtochef](https://discourse.chef.io/u/newtochef)
#### Post date: [May 27, 2016, 3:16pm UTC](https://discourse.chef.io/t/knife-ssl-fetch-error-argumenterror-unknown-proxy-scheme-https/8579/1 "2016-05-27T15:16:42Z")

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anyone run into this

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### Author: ![vdhar](https://avatars.discourse-cdn.com/v4/letter/v/ed655f/32.png) [@vdhar](https://discourse.chef.io/u/vdhar)
#### Post date: [May 27, 2016, 3:50pm UTC](https://discourse.chef.io/t/knife-ssl-fetch-error-argumenterror-unknown-proxy-scheme-https/8579/2 "2016-05-27T15:50:08Z")

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Check

env | grep proxy

most probably your proxy is incorrect.

![](https://sea2.discourse-cdn.com/flex016/images/transparent.png)