diff --git a/scripts/deploy_preview.sh b/scripts/deploy_preview.sh
index f7d7873fdb10..0bdc93d4447a 100755
--- a/scripts/deploy_preview.sh
+++ b/scripts/deploy_preview.sh
@@ -100,6 +100,7 @@ helm upgrade -i "$CHARTNAME" "appsmith-ee/$HELMCHART" -n "$NAMESPACE" --create-n
   --set persistence.efs.volumeHandle="$DP_EFS_ID:/$edition/$edition$PULL_REQUEST_NUMBER" \
   --set resources.requests.cpu="1m" \
   --set resources.requests.memory="2048Mi" \
+  --set applicationConfig.APPSMITH_SIGNUP_ALLOWED_DOMAINS=appsmith.com \
   --set applicationConfig.APPSMITH_SENTRY_DSN="https://abf15a075d1347969df44c746cca7eaa@o296332.ingest.sentry.io/1546547" \
   --set applicationConfig.APPSMITH_SENTRY_ENVIRONMENT="$NAMESPACE" \
   --set applicationConfig.APPSMITH_DB_URL="mongodb+srv://$DB_USERNAME:$DB_PASSWORD@$DB_URL/$DBNAME?retryWrites=true&minPoolSize=1&maxPoolSize=10&maxIdleTimeMS=900000&authSource=admin" \