diff --git a/contrib/hldiff b/contrib/hldiff
index f2bda8d..89aa9a2 100755
--- a/contrib/hldiff
+++ b/contrib/hldiff
@@ -1,4 +1,4 @@
-#!/bin/awk -f
+#!/usr/bin/env -S awk -f
 BEGIN {
 	bright = "\x1B[1m"
 	red = "\x1B[31m"
diff --git a/contrib/plaintext b/contrib/plaintext
index 73744cf..1ed97e3 100755
--- a/contrib/plaintext
+++ b/contrib/plaintext
@@ -1,4 +1,4 @@
-#!/bin/awk -f
+#!/usr/bin/env -S awk -f
 BEGIN {
 	dim = "\x1B[2m"
 	cyan = "\x1B[36m"