diff --git a/spcd/bootstrap.sh b/spcd/bootstrap.sh
index 2b493e0..137ac96 100644
--- a/spcd/bootstrap.sh
+++ b/spcd/bootstrap.sh
@@ -69,7 +69,7 @@ _spcd_banner_add() {
         spcd_ba__filler="$(
             _spcd_fill "${spcd_ba__length}" "${_SPCD_BANNER_HORIZONTAL}"
         )"
-        if [ -n "${SPCD_BANNER_MIDDLE}" ]; then
+        if [ -n "${__SPCD_BANNER_MIDDLE}" ]; then
             _spcd_banner_split
         else
             _spcd_banner_open
@@ -97,17 +97,17 @@ _spcd_banner_add_index() {
 
 _spcd_banner_append() {
     if [ -n "${3}" ]; then
-        SPCD_BANNER_TOP="${SPCD_BANNER_TOP}${1}"
-        SPCD_BANNER_MIDDLE="${SPCD_BANNER_MIDDLE}${2}"
-        SPCD_BANNER_BOTTOM="${SPCD_BANNER_BOTTOM}${3}"
+        __SPCD_BANNER_TOP="${__SPCD_BANNER_TOP}${1}"
+        __SPCD_BANNER_MIDDLE="${__SPCD_BANNER_MIDDLE}${2}"
+        __SPCD_BANNER_BOTTOM="${__SPCD_BANNER_BOTTOM}${3}"
     fi
 }
 
 _spcd_banner_echo() {
     echo "\
-${SPCD_BANNER_TOP}
-${SPCD_BANNER_MIDDLE}
-${SPCD_BANNER_BOTTOM}"
+${__SPCD_BANNER_TOP}
+${__SPCD_BANNER_MIDDLE}
+${__SPCD_BANNER_BOTTOM}"
 }
 
 _spcd_banner_open() {
@@ -151,9 +151,9 @@ _spcd_banner_split() {
 
 _spcd_banner_wipe() {
     unset \
-        SPCD_BANNER_TOP \
-        SPCD_BANNER_MIDDLE \
-        SPCD_BANNER_BOTTOM
+        __SPCD_BANNER_TOP \
+        __SPCD_BANNER_MIDDLE \
+        __SPCD_BANNER_BOTTOM
 }
 
 # ╭───────────┬───────╮