diff --git a/modules/adgenerationBidAdapter.js b/modules/adgenerationBidAdapter.js
index 340017c26cf0..935dd65d36ab 100644
--- a/modules/adgenerationBidAdapter.js
+++ b/modules/adgenerationBidAdapter.js
@@ -75,11 +75,6 @@ export const spec = {
       return [];
     }
     const bidRequest = bidRequests.bidRequest;
-    if (!bidRequest.mediaTypes || bidRequest.mediaTypes.banner) {
-      if (!body.w || !body.h) {
-        return [];
-      }
-    }
     const bidResponse = {
       requestId: bidRequest.bidId,
       cpm: body.cpm || 0,
@@ -91,7 +86,7 @@ export const spec = {
       netRevenue: true,
       ttl: body.ttl || 10,
     };
-    if (bidRequest.mediaTypes && bidRequest.mediaTypes.native) {
+    if (isNative(body)) {
       bidResponse.native = createNativeAd(body);
       bidResponse.mediaType = NATIVE;
     } else {
@@ -124,6 +119,11 @@ function createAd(body, bidRequest) {
   return ad;
 }
 
+function isNative(body) {
+  if (!body) return false;
+  return body.native_ad;
+}
+
 function createNativeAd(body) {
   let native = {};
   if (body.native_ad && body.native_ad.assets.length > 0) {