diff --git a/integrationExamples/gpt/userId_example.html b/integrationExamples/gpt/userId_example.html
index 9307bc91456..8115e60fcd1 100644
--- a/integrationExamples/gpt/userId_example.html
+++ b/integrationExamples/gpt/userId_example.html
@@ -84,6 +84,9 @@
             {
                 code: 'test-div',
                 sizes: [[300,250],[300,600],[728,90]],
+                mediaTypes: {
+                    banner: {}
+                },
                 bids: [
                     {
                         bidder: 'rubicon',