diff --git a/vendor/assets/javascripts/intense.coffee b/vendor/assets/javascripts/intense.coffee
index db00e5c..0e6abfd 100644
--- a/vendor/assets/javascripts/intense.coffee
+++ b/vendor/assets/javascripts/intense.coffee
@@ -11,16 +11,16 @@ window.Intense = {
   methods:
     foreground: (color) ->
       if Intense.useColors
-        "\033[3#{Intense.colors[color]}m#{this}\033[0m"
+        "\x33[3#{Intense.colors[color]}m#{this}\x33[0m"
       else
         this
     bright: ->
       if Intense.useColors
-        "\033[1m#{this}\033[0m"
+        "\x33[1m#{this}\x33[0m"
       else
         this
   useColors: true
-  moveBack: (count = 1) -> "\033[#{count}D"
+  moveBack: (count = 1) -> "\x33[#{count}D"
 }
 
 for method, code of Intense.methods