diff --git a/sh/main.sh b/sh/main.sh
index a4ef43b..8081179 100644
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -1,4 +1,11 @@
-[ -n "${ENV}" ] || export ENV="/etc/sh/main.sh"
+SH_NAME="sh"
+
+SH_ROOT="/etc/${SH_NAME}"
+SH_USER="${HOME}/${SH_NAME}"
+
+SH_MAIN="${SH_ROOT}/main.sh"
+
+[ -n "${ENV}" ] || export ENV="${SH_MAIN}"
 
 main_commands() {
 	local file="${1}"
@@ -57,4 +64,4 @@ main_source_file() {
 
 main_source_file "${ENV}"
 
-main_source_directory "${HOME}/sh"
+main_source_directory "${SH_USER}"