diff --git a/sh/core/code.awk b/sh/core/code.awk
index ad854cf..cbbcf03 100644
--- a/sh/core/code.awk
+++ b/sh/core/code.awk
@@ -58,9 +58,9 @@ function extract(string, type) {
 	}
 }
 
-function strip_first(string, target, tmp) {
+function strip_first(string, sep, tmp) {
 	tmp = string
-	sub(target, "", tmp)
+	sub(sep, "", tmp)
 	return trim(tmp)
 }