diff --git a/sh/main.sh b/sh/main.sh
index 16ce907..9d79661 100755
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -26,6 +26,9 @@ RWX_SELF_NAME="rwx"
 # │ main │ variables │
 # ╰──────┴───────────╯
 
+# cache of all sourced code modules
+_rwx_code=""
+
 # system root directory of the project
 RWX_ROOT_SYSTEM="/usr/local/lib/${RWX_SELF_NAME}"
 # user root directory of the project
@@ -77,9 +80,6 @@ rwx_main() {
 # │ main │ cache │
 # ╰──────┴───────╯
 
-# cache of all sourced code modules
-_rwx_code=""
-
 # cache source code of a module
 # inside a global code variable
 rwx_cache() {