diff --git a/spcd/bootstrap.sh b/spcd/bootstrap.sh
index 4e3b7a2..2dc6382 100644
--- a/spcd/bootstrap.sh
+++ b/spcd/bootstrap.sh
@@ -4,6 +4,15 @@
 # │ _ │
 # ╰───╯
 
+_SPCD_BOX_DOWN_AND_HORIZONTAL="┬"
+_SPCD_BOX_DOWN_AND_LEFT="╮"
+_SPCD_BOX_DOWN_AND_RIGHT="╭"
+_SPCD_BOX_HORIZONTAL="─"
+_SPCD_BOX_UP_AND_HORIZONTAL="┴"
+_SPCD_BOX_UP_AND_LEFT="╯"
+_SPCD_BOX_UP_AND_RIGHT="╰"
+_SPCD_BOX_VERTICAL="│"
+
 _SPCD_CMD_SUM="sha512sum"
 
 _spcd_fill() {
@@ -18,14 +27,14 @@ _spcd_fill() {
 # │ _ │ banner │
 # ╰───┴────────╯
 
-_SPCD_BANNER_DOWN_AND_HORIZONTAL="┬"
-_SPCD_BANNER_DOWN_AND_LEFT="╮"
-_SPCD_BANNER_DOWN_AND_RIGHT="╭"
-_SPCD_BANNER_HORIZONTAL="─"
-_SPCD_BANNER_UP_AND_HORIZONTAL="┴"
-_SPCD_BANNER_UP_AND_LEFT="╯"
-_SPCD_BANNER_UP_AND_RIGHT="╰"
-_SPCD_BANNER_VERTICAL="│"
+_SPCD_BANNER_DOWN_AND_HORIZONTAL="${_SPCD_BOX_DOWN_AND_HORIZONTAL}"
+_SPCD_BANNER_DOWN_AND_LEFT="${_SPCD_BOX_DOWN_AND_LEFT}"
+_SPCD_BANNER_DOWN_AND_RIGHT="${_SPCD_BOX_DOWN_AND_RIGHT}"
+_SPCD_BANNER_HORIZONTAL="${_SPCD_BOX_HORIZONTAL}"
+_SPCD_BANNER_UP_AND_HORIZONTAL="${_SPCD_BOX_UP_AND_HORIZONTAL}"
+_SPCD_BANNER_UP_AND_LEFT="${_SPCD_BOX_UP_AND_LEFT}"
+_SPCD_BANNER_UP_AND_RIGHT="${_SPCD_BOX_UP_AND_RIGHT}"
+_SPCD_BANNER_VERTICAL="${_SPCD_BOX_VERTICAL}"
 
 _spcd_banner_add() {
     if [ -n "${1}" ]; then