diff --git a/src/components/SearchResults.vue b/src/components/SearchResults.vue
index 98c52d4091c6ad650270269a35353554faafc998..01917db3f683bfd1c544b213a071723591ff0228 100644
--- a/src/components/SearchResults.vue
+++ b/src/components/SearchResults.vue
@@ -34,7 +34,7 @@ export default {
       return this.hits.filter(hit => hit.dictionary == 'nob')
     },
     results_hash: function(){
-      return this.hits.reduce((hash, hit) => (hash + hit) % 10000)
+      return this.hits.reduce((hash, hit) => (hash + hit.article_id) % 10000, 0)
     }
   },
   methods: {