1 files changed, 1 insertions, 1 deletions
diff --git a/app/assets/javascripts/filtered_search/filtered_search_dropdown_manager.js b/app/assets/javascripts/filtered_search/filtered_search_dropdown_manager.js
index d051b60814e..161a65c511d 100644
--- a/app/assets/javascripts/filtered_search/filtered_search_dropdown_manager.js
+++ b/app/assets/javascripts/filtered_search/filtered_search_dropdown_manager.js
@@ -120,7 +120,7 @@ export default class FilteredSearchDropdownManager {
         filter: key,
       };
       const extraArguments = mappingKey.extraArguments || {};
-      const glArguments = Object.assign({}, defaultArguments, extraArguments);
+      const glArguments = { ...defaultArguments, ...extraArguments };
 
       // Passing glArguments to `new glClass(<arguments>)`
       mappingKey.reference = new (Function.prototype.bind.apply(glClass, [null, glArguments]))();