diff --git a/sh/core/code.sh b/sh/core/code.sh
index df911bf..3b62ca7 100644
--- a/sh/core/code.sh
+++ b/sh/core/code.sh
@@ -225,12 +225,15 @@ rwx_code_modules() {
 
 # check source code
 rwx_code_check() {
-	# check format
-	rwx_log
-	rwx_shfmt "${rwx_main_root}"
 	# check syntax
 	rwx_log
 	rwx_shellcheck "${rwx_main_root}"
+	# check format
+	rwx_log
+	rwx_shfmt "${rwx_main_root}"
+	rwx_log
+	[ -e "${rwx_code_root}" ] &&
+		rwx_shfmt "${rwx_code_root}"
 }
 
 # fetch matching doc for given name