diff --git a/website/server/libs/auth/index.js b/website/server/libs/auth/index.js
index e8e60824f3..54e4e595f6 100644
--- a/website/server/libs/auth/index.js
+++ b/website/server/libs/auth/index.js
@@ -207,6 +207,7 @@ async function registerLocal (req, res, { isV3 = false }) {
     .catch(err => logger.error(err));
 
   if (!existingUser) {
+    savedUser._ABtests['20200625_drops'] = '12345678'.indexOf(savedUser._id.slice(0, 1)) !== -1 ? 'boosted' : 'control';
     res.analytics.track('register', {
       category: 'acquisition',
       type: 'local',
diff --git a/website/server/libs/auth/social.js b/website/server/libs/auth/social.js
index 02e4d64faf..9b3878d68c 100644
--- a/website/server/libs/auth/social.js
+++ b/website/server/libs/auth/social.js
@@ -112,6 +112,7 @@ export async function loginSocial (req, res) { // eslint-disable-line import/pre
   }
 
   if (!existingUser) {
+    savedUser._ABtests['20200625_drops'] = '12345678'.indexOf(savedUser._id.slice(0, 1)) !== -1 ? 'boosted' : 'control';
     res.analytics.track('register', {
       category: 'acquisition',
       type: network,