diff --git a/static/adapter/appnexus/opts.json b/static/adapter/appnexus/opts.json
index 3ea849735de..7bb297e0b41 100644
--- a/static/adapter/appnexus/opts.json
+++ b/static/adapter/appnexus/opts.json
@@ -46,6 +46,7 @@
     "67": "IAB9-9",
     "69": "IAB7-1",
     "71": "IAB22-2",
-    "74": "IAB8-5"
+    "74": "IAB8-5",
+    "87": "IAB3-7"
   }
 }