1 files changed, 7 insertions, 6 deletions
diff --git a/lib/plugins/validatePlugin.js b/lib/plugins/validatePlugin.js
index 37f6900..4baa911 100644
--- a/lib/plugins/validatePlugin.js
+++ b/lib/plugins/validatePlugin.js
@@ -14,20 +14,21 @@ function validatePlugin(plugin) {
     var isValid = (
         plugin.isLoaded() &&
         packageInfos &&
-        packageInfos.name &&
-        packageInfos.engines &&
-        packageInfos.engines.gitbook
+        packageInfos.get('name') &&
+        packageInfos.get('engines') &&
+        packageInfos.get('engines').get('gitbook')
     );
 
     if (!isValid) {
         return Promise.reject(new Error('Error loading plugin "' + plugin.getName() + '" at "' + plugin.getPath() + '"'));
     }
 
-    if (!gitbook.satisfies(this.packageInfos.engines.gitbook)) {
-        return Promise.reject(new Error('GitBook doesn\'t satisfy the requirements of this plugin: ' + packageInfos.engines.gitbook));
+    var engine = packageInfos.get('engines').get('gitbook');
+    if (!gitbook.satisfies(engine)) {
+        return Promise.reject(new Error('GitBook doesn\'t satisfy the requirements of this plugin: ' + engine));
     }
 
-    return Promise();
+    return Promise(plugin);
 }
 
 module.exports = validatePlugin;