diff --git a/app/Models/Item.php b/app/Models/Item.php
index c4ebc33..96863fa 100644
--- a/app/Models/Item.php
+++ b/app/Models/Item.php
@@ -41,7 +41,7 @@ class Item extends Model
 
     public function motorTestingMasters()
     {
-        return $this->hasMany(MotorTestingMaster::class);
+        return $this->hasMany(MotorTestingMaster::class, 'item_id', 'id');
     }
 
     public function testingPanelReadings()