**[Guillaume Nodet](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=gnt)** opened **[MNG-8344](https://issues.apache.org/jira/browse/MNG-8344?redirect=false)** and commented The following does not work: ``` maven.user.config = ${env.MAVEN_XDG:+${env.XDG_CONFIG_HOME:-${user.home}/.config}/maven}:-${user.home}/.m2} ``` --- **Affects:** 4.0.0-beta-5 **Issue Links:** - [MNG-6603](https://issues.apache.org/jira/browse/MNG-6603) XDG Base Directory Specification support (_**"is required by"**_) **Remote Links:** - [GitHub Pull Request #1832 ](https://github.com/apache/maven/pull/1832) **Backported to:** [4.0.0-rc-1](https://github.com/apache/maven/milestone/26?closed=1)