diff --git a/github.sh b/github.sh
index 0d11880..61eb2d5 100755
--- a/github.sh
+++ b/github.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 set -e
 
+: ${HELM_HOME:=$HOME/.helm}
+
 usage() {
 cat << EOF
 Install or upgrade Helm charts from Github