diff --git a/bin/gollum b/bin/gollum
index 5e10b555..0ad5a551 100755
--- a/bin/gollum
+++ b/bin/gollum
@@ -1,4 +1,4 @@
-#!/usr/bin/env ruby
+#!/usr/bin/env -S ruby -Eutf-8
 
 $:.unshift File.join(File.dirname(__FILE__), *%w[.. lib])