2 files changed, 2 insertions, 0 deletions
diff --git a/test/json/test_json.rb b/test/json/test_json.rb
index 2325c10063..257b8e0f63 100755
--- a/test/json/test_json.rb
+++ b/test/json/test_json.rb
@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# -*- coding: utf-8 -*-
 
 require 'test/unit'
 require 'json'
diff --git a/test/json/test_json_unicode.rb b/test/json/test_json_unicode.rb
index 9e0d762f6d..cad93846b5 100755
--- a/test/json/test_json_unicode.rb
+++ b/test/json/test_json_unicode.rb
@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# -*- coding: utf-8 -*-
 
 require 'test/unit'
 require 'json'