diff --git a/app/lib/formatter.rb b/app/lib/formatter.rb
index 21cd4f17..068fab7c 100644
--- a/app/lib/formatter.rb
+++ b/app/lib/formatter.rb
@@ -370,7 +370,7 @@ class Formatter
 
     escaped = text.chars.map do |c|
       output = begin
-        if c.ord.to_s(16).length > 2 && UNICODE_ESCAPE_BLACKLIST_RE.match(c).nil?
+        if c.ord > 255 && !UNICODE_ESCAPE_BLACKLIST_RE.match?(c)
           CGI.escape(c)
         else
           c