diff --git a/lib/jcode.rb b/lib/jcode.rb
index eda66cac10..e7cb967588 100644
--- a/lib/jcode.rb
+++ b/lib/jcode.rb
@@ -9,7 +9,7 @@ class String
   printf STDERR, "feel free for some warnings:\n" if $VERBOSE
 
   def _regex_quote(str)
-    str.gsub(/[][\\]/, '\\\\\&)
+    str.gsub(/[][\\]/, '\\\\\&')
   end
   private :_regex_quote