diff --git a/.travis.yml b/.travis.yml
index 0324385f..0f65db5b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,6 @@
 language: node_js
 before_install: "npm install -g npm"
 node_js:
-    - "iojs"
     - "0.12"
     - "0.10"
     - "4"
diff --git a/lib/output.js b/lib/output.js
index bdab47c6..b0dc64ce 100644
--- a/lib/output.js
+++ b/lib/output.js
@@ -95,7 +95,7 @@ function OutputStream(options) {
               case "\f": return "\\f";
               case "\n": return "\\n";
               case "\r": return "\\r";
-              case "\v": return "\\v";
+              case "\x0B": return output.option("screw_ie8") ? "\\v" : "\\x0B";
               case "\u2028": return "\\u2028";
               case "\u2029": return "\\u2029";
               case '"': ++dq; return '"';