diff --git a/modules/gridBidAdapter.js b/modules/gridBidAdapter.js
index b2350c0a61c..7147864a2e6 100644
--- a/modules/gridBidAdapter.js
+++ b/modules/gridBidAdapter.js
@@ -466,6 +466,7 @@ export const spec = {
   },
 
   ajaxCall: function(url, cb, data, options) {
+    options.browsingTopics = false;
     return ajax(url, cb, data, options);
   },