diff --git a/cmd/cmd.go b/cmd/cmd.go
index cf45295b6..de6b8cd93 100644
--- a/cmd/cmd.go
+++ b/cmd/cmd.go
@@ -6,6 +6,7 @@ var FlagRepo = &cli.StringFlag{
 	Name:  "repo",
 	Usage: "repo directory for Boost client",
 	Value: "~/.boost-client",
+	EnvVars: []string{"BOOST_CLIENT_REPO"},
 }
 
 var FlagJson = &cli.BoolFlag{