diff --git a/sh/main.sh b/sh/main.sh
index 2611ebe..6376e03 100644
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -91,7 +91,7 @@ sh_shell_interactive() {
 	esac
 }
 
-sh_source_directory() {
+rwx_main_source() {
 	local path="${1}"
 	[ -d "${path}" ] ||
 		return 1
@@ -124,12 +124,12 @@ sh_source_directory() {
 # run initial steps
 rwx_main() {
 	# system root
-	if ! sh_source_directory "${SH_ROOT}"; then
+	if ! rwx_main_source "${SH_ROOT}"; then
 		_sh_main_log "Not a directory: ${SH_ROOT}"
 		return 1
 	fi
 	# user root
-	sh_source_directory "${SH_USER}"
+	rwx_main_source "${SH_USER}"
 	# run interactive extras
 	if sh_shell_interactive; then
 		# check format