diff --git a/backend/bot/cron_predictive_demand.php b/backend/bot/cron_predictive_demand.php
index c7cbdc33..e2e1df2a 100644
--- a/backend/bot/cron_predictive_demand.php
+++ b/backend/bot/cron_predictive_demand.php
@@ -61,8 +61,8 @@ $sqlHistory = "
         AND HOUR(created_at) = :next_hour
         AND DAYOFWEEK(created_at) = :dow
         AND created_at >= DATE_SUB(NOW(), INTERVAL :weeks WEEK)
-        AND pickup_lat != 0
-        AND pickup_lng != 0
+        AND start_location != ''
+        AND start_location IS NOT NULL
     GROUP BY cell_lat, cell_lng, country_code
     HAVING demand_score >= 2
     ORDER BY demand_score DESC