diff --git a/lib/output.js b/lib/output.js
index 49c93c9a..714ae4c0 100644
--- a/lib/output.js
+++ b/lib/output.js
@@ -288,6 +288,10 @@ function OutputStream(options) {
                   {find:'\n', replace:'\\n'},
                   {find:'\r', replace:'\\r'},
                   {find:'\t', replace:'\\t'},
+                  {find:'\b', replace:'\\b'},
+                  {find:'\f', replace:'\\f'},
+                  {find:'\v', replace:'\\v'},
+                  {find:'\\', replace:'\\\\'},
                   {find:'\u2028', replace:'\\u2028'},
                   {find:'\u2029', replace:'\\u2029'}
                 ];