1 files changed, 2 insertions, 1 deletions
diff --git a/lib/cli/options.js b/lib/cli/options.js
index ddcb5c5..ecc2d24 100644
--- a/lib/cli/options.js
+++ b/lib/cli/options.js
@@ -3,7 +3,8 @@ var Logger = require('../utils/logger');
 var logOptions = {
     name: 'log',
     description: 'Minimum log level to display',
-    values: Object.keys(Logger.LEVELS)
+    values: Logger.LEVELS
+        .keySeq()
         .map(function(s) {
             return s.toLowerCase();
         }),