diff --git a/lib/repl.js b/lib/repl.js
index 25b05a8880..c258bb03e1 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -26,7 +26,11 @@ var fs = require('fs');
 var rl = require('readline');
 
 var context;
-var disableColors = process.env.NODE_DISABLE_COLORS ? true : false;
+
+var disableColors = true;
+if (process.platform != 'win32') {
+  disableColors = process.env.NODE_DISABLE_COLORS ? true : false;
+}
 
 
 // hack for require.resolve("./relative") to work properly.