diff --git a/example/usage.sh b/example/usage.sh
index 4df582e..2e9b12d 100755
--- a/example/usage.sh
+++ b/example/usage.sh
@@ -1,3 +1,5 @@
+#!/usr/bin/env bash
+
 source colors.sh
 
 # with colors.sh sourced, you can use the constants