diff --git a/src/Controller/APIController.php b/src/Controller/APIController.php
index 5134a884..55a8efa3 100644
--- a/src/Controller/APIController.php
+++ b/src/Controller/APIController.php
@@ -1881,7 +1881,7 @@ class APIController extends Controller
             $batt_model = $warranty->getBatteryModel()->getName();
         }
         if (!(is_null($warranty->getBatterySize()))) {
-            $batt_size = $warranty->getBattyerSize()->getName();
+            $batt_size = $warranty->getBatterySize()->getName();
         }
         if (!(is_null($warranty->getSAPBattery()))) {
             $sap_batt = $warranty->getSAPBattery()->getID();