diff --git a/lib/repl.js b/lib/repl.js
index 65097cfb..6b5d3364 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -78,13 +78,13 @@
     return _results;
   };
   process.on('uncaughtException', error);
-  if (readline.createInterface.length === 3) {
-    repl = readline.createInterface(stdin, stdout, autocomplete);
-  } else {
+  if (readline.createInterface.length < 2) {
     repl = readline.createInterface(stdin, autocomplete);
     stdin.on('data', function(buffer) {
       return repl.write(buffer);
     });
+  } else {
+    repl = readline.createInterface(stdin, stdout, autocomplete);
   }
   repl.setPrompt('coffee> ');
   repl.on('close', function() {
diff --git a/src/repl.coffee b/src/repl.coffee
index 1e2b3bff..142227d8 100644
--- a/src/repl.coffee
+++ b/src/repl.coffee
@@ -77,11 +77,11 @@ getPropertyNames = (obj) ->
 process.on 'uncaughtException', error
 
 # Create the REPL by listening to **stdin**.
-if readline.createInterface.length == 3
-  repl = readline.createInterface stdin, stdout, autocomplete
-else
+if readline.createInterface.length < 3
   repl = readline.createInterface stdin, autocomplete
-  stdin.on 'data',   (buffer) -> repl.write buffer
+  stdin.on 'data', (buffer) -> repl.write buffer
+else
+  repl = readline.createInterface stdin, stdout, autocomplete
 
 repl.setPrompt 'coffee> '
 repl.on  'close',  -> stdin.destroy()