diff --git a/modules/dfpAdServerVideo.js b/modules/dfpAdServerVideo.js
index 3394fd8b3f4..a3e26dc7202 100644
--- a/modules/dfpAdServerVideo.js
+++ b/modules/dfpAdServerVideo.js
@@ -249,7 +249,9 @@ export function buildAdpodVideoUrl({code, params, callback} = {}) {
  */
 function buildUrlFromAdserverUrlComponents(components, bid, options) {
   const descriptionUrl = getDescriptionUrl(bid, components, 'search');
-  if (descriptionUrl) { components.search.description_url = descriptionUrl; }
+  if (descriptionUrl) {
+    components.search.description_url = descriptionUrl;
+  }
 
   components.search.cust_params = getCustParams(bid, options, components.search.cust_params);
   return buildUrl(components);
@@ -264,7 +266,7 @@ function buildUrlFromAdserverUrlComponents(components, bid, options) {
  * @return {string | undefined} The encoded vast url if it exists, or undefined
  */
 function getDescriptionUrl(bid, components, prop) {
-  return deepAccess(components, `${prop}.description_url`) || dep.ri().page;
+  return deepAccess(components, `${prop}.description_url`) || encodeURIComponent(dep.ri().page);
 }
 
 /**
diff --git a/test/spec/modules/dfpAdServerVideo_spec.js b/test/spec/modules/dfpAdServerVideo_spec.js
index 89485adf28b..4c12e9fa211 100644
--- a/test/spec/modules/dfpAdServerVideo_spec.js
+++ b/test/spec/modules/dfpAdServerVideo_spec.js
@@ -58,8 +58,18 @@ describe('The DFP video support module', function () {
         }, options)));
         const prm = utils.parseQS(url.query);
         expect(prm.description_url).to.eql('example.com');
-      })
-    })
+      });
+
+      it('should use a URI encoded page location as default for description_url', () => {
+        sandbox.stub(dep, 'ri').callsFake(() => ({page: 'https://example.com?iu=/99999999/news&cust_params=current_hour%3D12%26newscat%3Dtravel&pbjs_debug=true'}));
+        const url = parse(buildDfpVideoUrl(Object.assign({
+          adUnit: adUnit,
+          bid: bid,
+        }, options)));
+        const prm = utils.parseQS(url.query);
+        expect(prm.description_url).to.eql('https%3A%2F%2Fexample.com%3Fiu%3D%2F99999999%2Fnews%26cust_params%3Dcurrent_hour%253D12%2526newscat%253Dtravel%26pbjs_debug%3Dtrue');
+      });
+    });
   })
 
   it('should make a legal request URL when given the required params', function () {