From 9acccad23add2670169652bd88e2045cb15ef6f7 Mon Sep 17 00:00:00 2001
From: Samy Pesse <samypesse@gmail.com>
Date: Fri, 29 Apr 2016 23:19:33 +0200
Subject: [PATCH] Fix validation of configuration for plugins

---
 lib/models/config.js          | 2 +-
 lib/plugins/validateConfig.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/models/config.js b/lib/models/config.js
index 547007a8b..6ee03e426 100644
--- a/lib/models/config.js
+++ b/lib/models/config.js
@@ -28,7 +28,7 @@ Config.prototype.getValue = function(keyPath, def) {
     keyPath = Config.keyToKeyPath(keyPath);
 
     if (!values.hasIn(keyPath)) {
-        return def;
+        return Immutable.fromJS(def);
     }
 
     return values.getIn(keyPath);
diff --git a/lib/plugins/validateConfig.js b/lib/plugins/validateConfig.js
index 6303dae66..37f3c965a 100644
--- a/lib/plugins/validateConfig.js
+++ b/lib/plugins/validateConfig.js
@@ -22,7 +22,7 @@ function validatePluginConfig(book, plugin) {
         plugin.getName()
     ].join('.');
 
-    var pluginConfig = config.getValue(configKey, {});
+    var pluginConfig = config.getValue(configKey, {}).toJS();
 
     var schema = (packageInfos.get('gitbook') || Immutable.Map()).toJS();
     if (!schema) return book;