From df3c38f944c90649641a1b23e421d663284df7d4 Mon Sep 17 00:00:00 2001
From: Jaimin Panchal <jpanchal@appnexus.com>
Date: Fri, 22 Jun 2018 15:43:30 -0400
Subject: [PATCH] empty string is also false in js

---
 modules/prebidServerBidAdapter.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/prebidServerBidAdapter.js b/modules/prebidServerBidAdapter.js
index c217b2934edb..7b6b2b9ed7e7 100644
--- a/modules/prebidServerBidAdapter.js
+++ b/modules/prebidServerBidAdapter.js
@@ -123,7 +123,7 @@ function queueSync(bidderCodes, gdprConsent) {
 
   if (gdprConsent) {
     // only populate gdpr field if we know CMP returned consent information (ie didn't timeout or have an error)
-    if (gdprConsent.consentString) {
+    if (typeof gdprConsent.consentString !== 'undefined') {
       payload.gdpr = (gdprConsent.gdprApplies) ? 1 : 0;
     }
     // attempt to populate gdpr_consent if we know gdprApplies or it may apply