diff --git a/framework/core/tests/integration/extenders/ModelTest.php b/framework/core/tests/integration/extenders/ModelTest.php
index f649825b8..1884e1594 100644
--- a/framework/core/tests/integration/extenders/ModelTest.php
+++ b/framework/core/tests/integration/extenders/ModelTest.php
@@ -53,7 +53,7 @@ class ModelTest extends TestCase
     {
         $this->extend(
             (new Extend\Model(User::class))
-                ->hasMany('customRelation', Discussion::class, 'user_id')
+                ->hasOne('customRelation', Discussion::class, 'user_id')
         );
 
         $this->prepDB();