diff --git a/query/search.js b/query/search.js
index bc77bf8f..1a09e0d7 100644
--- a/query/search.js
+++ b/query/search.js
@@ -46,10 +46,8 @@ function generate( params ){
 
   // add category mapping
   if (params.categories) {
-    query.query.filtered.query.bool.should.push({
-      'match': {
-        'category': params.categories
-      }
+    query.query.filtered.filter.bool.must.push({
+      terms: { category: params.categories }
     });
   }