diff --git a/tests/Feature/AssetModels/Ui/UpdateAssetModelsTest.php b/tests/Feature/AssetModels/Ui/UpdateAssetModelsTest.php
index 3ca91e9821..83ffce7c91 100644
--- a/tests/Feature/AssetModels/Ui/UpdateAssetModelsTest.php
+++ b/tests/Feature/AssetModels/Ui/UpdateAssetModelsTest.php
@@ -68,9 +68,7 @@ class UpdateAssetModelsTest extends TestCase
         $this->markIncompleteIfMySQL('Custom Field Tests do not work in MySQL');
 
         $assetModel = AssetModel::factory()->create();
-
         $customFieldset = CustomFieldset::factory()->create();
-
         [$customFieldOne, $customFieldTwo] = CustomField::factory()->count(2)->create();
 
         $customFieldset->fields()->attach($customFieldOne, ['order' => 1, 'required' => false]);
@@ -87,8 +85,8 @@ class UpdateAssetModelsTest extends TestCase
                 'add_default_values' => '1',
                 'fieldset_id' => $customFieldset->id,
                 'default_values' => [
-                    $customFieldOne->id => 'changed value',
-                    $customFieldTwo->id => 'changed value',
+                    $customFieldOne->id => 'first changed value',
+                    $customFieldTwo->id => 'second changed value',
                 ],
             ]);
 
@@ -100,4 +98,40 @@ class UpdateAssetModelsTest extends TestCase
             'Default field values were changed unexpectedly.'
         );
     }
+
+    public function test_default_values_can_be_updated()
+    {
+        $this->markIncompleteIfMySQL('Custom Field Tests do not work in MySQL');
+
+        $assetModel = AssetModel::factory()->create();
+        $customFieldset = CustomFieldset::factory()->create();
+        [$customFieldOne, $customFieldTwo] = CustomField::factory()->count(2)->create();
+
+        $customFieldset->fields()->attach($customFieldOne, ['order' => 1, 'required' => false]);
+        $customFieldset->fields()->attach($customFieldTwo, ['order' => 2, 'required' => false]);
+
+        $assetModel->fieldset()->associate($customFieldset);
+
+        $assetModel->defaultValues()->attach($customFieldOne, ['default_value' => 'first default value']);
+        $assetModel->defaultValues()->attach($customFieldTwo, ['default_value' => 'second default value']);
+
+        $this->actingAs(User::factory()->superuser()->create())
+            ->put(route('models.update', ['model' => $assetModel]), [
+                // should trigger validation error without name, etc, and NOT remove or change default values
+                'name' => 'Test Model Edited',
+                'category_id' => $assetModel->category_id,
+                'add_default_values' => '1',
+                'fieldset_id' => $customFieldset->id,
+                'default_values' => [
+                    $customFieldOne->id => 'first changed value',
+                    $customFieldTwo->id => 'second changed value',
+                ],
+            ]);
+
+        $potentiallyChangedDefaultValues = $assetModel->defaultValues->pluck('pivot.default_value');
+
+        $this->assertCount(2, $potentiallyChangedDefaultValues);
+        $this->assertContains('first changed value', $potentiallyChangedDefaultValues);
+        $this->assertContains('second changed value', $potentiallyChangedDefaultValues);
+    }
 }