diff --git a/shell/main.sh b/shell/main.sh
index 327c956..85888e7 100644
--- a/shell/main.sh
+++ b/shell/main.sh
@@ -1,8 +1,5 @@
 [ -n "${ENV}" ] || export ENV="/etc/shell/main.sh"
 
-SH="$(cat /proc/$$/comm)"
-export SH
-
 main_source_directory() {
 	local path="${1}"
 	if [ -d "${path}" ]; then
diff --git a/shell/shell.sh b/shell/shell.sh
index bfb6b98..00174fc 100644
--- a/shell/shell.sh
+++ b/shell/shell.sh
@@ -1,10 +1,10 @@
 PS1="\$(shell_prompt \${?})"
 PS2="\
 ├ "
+SH="$(cat /proc/$$/comm)"
 
 shell_color() {
 	local code="${1}"
-	# shellcheck disable=SC2154
 	case "${SH}" in
 	"bash")
 		printf "\x01\e[0"
@@ -130,7 +130,6 @@ x() {
 		"${@}"
 }
 
-# shellcheck disable=SC2154
 [ "${SH}" = "bash" ] || return
 
 # shellcheck disable=SC3033