diff --git a/sh/main.sh b/sh/main.sh
index ac92b40..5b3978e 100644
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -27,14 +27,6 @@ rwx_grep_functions() {
 		cut --delimiter "(" --fields 1
 }
 
-# test if active shell is in interactive mode
-rwx_shell_interactive() {
-	case "${-}" in
-	*i*) ;;
-	*) return 1 ;;
-	esac
-}
-
 # ╭──────╮
 # │ core │
 # ╰──────╯
diff --git a/sh/shell.sh b/sh/shell.sh
index 87a291a..e1a6ca8 100644
--- a/sh/shell.sh
+++ b/sh/shell.sh
@@ -62,6 +62,14 @@ rwx_shell_configure() {
 }
 rwx_shell_configure
 
+# test if active shell is in interactive mode
+rwx_shell_interactive() {
+	case "${-}" in
+	*i*) ;;
+	*) return 1 ;;
+	esac
+}
+
 rwx_shell_prompt() {
 	local date host id
 	local code="${1}"