diff --git a/lib/plugins/processor/index.js b/lib/plugins/processor/index.js
index f72543ca85..70c3b2ef20 100644
--- a/lib/plugins/processor/index.js
+++ b/lib/plugins/processor/index.js
@@ -336,7 +336,7 @@ extend.processor.register(/^_posts\/([^_](?:(?!\/_).)*)$/, function(file, callba
 
         var slug = _.map(arr.slice(0, i + 1), function(item){
           return escape(categoryMap[item] || item);
-        }).join('/') + '/';
+        }).join('/');
 
         var data = dbCats.findOne({slug: slug});
         if (data){