diff --git a/src/Service/RiderAPIHandler/CMBRiderAPIHandler.php b/src/Service/RiderAPIHandler/CMBRiderAPIHandler.php
index 5f33261b..80a8301b 100644
--- a/src/Service/RiderAPIHandler/CMBRiderAPIHandler.php
+++ b/src/Service/RiderAPIHandler/CMBRiderAPIHandler.php
@@ -320,6 +320,7 @@ class CMBRiderAPIHandler implements RiderAPIHandlerInterface
 
         // cache rider location (default to hub)
         // TODO: figure out longitude / latitude default
+        $rider_id = $rider->getID();
         $this->rcache->addActiveRider($rider_id, 0, 0);
 
         // send mqtt event to put rider on map