diff --git a/AUTHORS b/AUTHORS
index d4bda5d..916c9ff 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -6,6 +6,7 @@ Herbert Jones <herbert@mediafire.com>
 Hongliang Tian <tatetian@gmail.com>
 John Hewson <john@jahewson.com>
 Lu Wang <coolwanglu@gmail.com>
+Michele Redolfi <michele@tecnicaict.com>
 Ryan Morlok <ryan.morlok@morlok.com>
 
 Packagers:
diff --git a/src/util/encoding.cc b/src/util/encoding.cc
index 5abecb2..157f3eb 100644
--- a/src/util/encoding.cc
+++ b/src/util/encoding.cc
@@ -135,6 +135,7 @@ void outputJSON(ostream & out, const string & s)
         {
             case '\\': out << "\\\\"; break;
             case '"': out << "\\\""; break;
+            case '\'': out << "\\\'"; break;
             case '/': out << "\\/"; break;
             case '\b': out << "\\b"; break;
             case '\f': out << "\\f"; break;