diff --git a/src/Fieldtypes/Grid.php b/src/Fieldtypes/Grid.php
index 6add77b8ee7..b17fdaf0280 100644
--- a/src/Fieldtypes/Grid.php
+++ b/src/Fieldtypes/Grid.php
@@ -206,9 +206,11 @@ public function extraValidationAttributes(): array
 
     public function preload()
     {
+        $defaults = $this->defaultRowData()->all();
+
         return [
-            'defaults' => $this->defaultRowData()->all(),
-            'new' => $this->fields()->meta()->all(),
+            'defaults' => $defaults,
+            'new' => $this->fields()->addValues($defaults)->meta()->all(),
             'existing' => collect($this->field->value())->mapWithKeys(function ($row, $index) {
                 return [$row['_id'] => $this->fields($index)->addValues($row)->meta()];
             })->toArray(),
diff --git a/src/Http/Controllers/CP/Fields/MetaController.php b/src/Http/Controllers/CP/Fields/MetaController.php
index b054fb55aab..001ca4a89a5 100644
--- a/src/Http/Controllers/CP/Fields/MetaController.php
+++ b/src/Http/Controllers/CP/Fields/MetaController.php
@@ -14,13 +14,13 @@ public function show(Request $request)
 
         $field = (new Field($config['handle'], $config))->setValue($request->value);
 
-        $fieldtype = $field->fieldtype();
+        $value = $field->fieldtype()->preProcess($request->value);
 
-        $value = $fieldtype->preProcess($request->value);
+        $field->setValue($value);
 
         return [
             'value' => $value,
-            'meta' => $fieldtype->preload(),
+            'meta' => $field->fieldtype()->preload(),
         ];
     }
 }
diff --git a/tests/Feature/Fields/MetaControllerTest.php b/tests/Feature/Fields/MetaControllerTest.php
index 5dfb6202a32..89289c26b59 100644
--- a/tests/Feature/Fields/MetaControllerTest.php
+++ b/tests/Feature/Fields/MetaControllerTest.php
@@ -174,6 +174,24 @@ public function an_authorized_user_still_gets_the_full_collection_columns_via_pr
         $this->assertContains('intro', $columns);
     }
 
+    #[Test]
+    public function it_preloads_meta_using_the_preprocessed_value()
+    {
+        $response = $this->fieldMeta(User::make()->makeSuper()->save(), [
+            'handle' => 'test',
+            'type' => 'grid',
+            'min_rows' => 2,
+            'fields' => [
+                ['handle' => 'words', 'field' => ['type' => 'text']],
+            ],
+        ], [])->assertOk();
+
+        $ids = collect($response->json('value'))->pluck('_id')->all();
+
+        $this->assertCount(2, $ids);
+        $this->assertEquals($ids, array_keys($response->json('meta.existing')));
+    }
+
     #[Test]
     public function it_gates_assets_through_the_preload_path()
     {
diff --git a/tests/Fieldtypes/GridTest.php b/tests/Fieldtypes/GridTest.php
index cb5d1e15536..72781205482 100644
--- a/tests/Fieldtypes/GridTest.php
+++ b/tests/Fieldtypes/GridTest.php
@@ -452,6 +452,39 @@ public function it_preloads_preprocessed_default_values()
         $this->assertSame($expected, $field->fieldtype()->preload()['defaults']);
     }
 
+    #[Test]
+    public function it_preloads_new_row_meta_using_the_default_values()
+    {
+        $this->partialMock(RowId::class, function (MockInterface $mock) {
+            $mock->shouldReceive('generate')->twice()->andReturn('random-string-1', 'random-string-2');
+        });
+
+        $field = (new Field('test', [
+            'type' => 'grid',
+            'fields' => [
+                ['handle' => 'nested', 'field' => [
+                    'type' => 'grid',
+                    'min_rows' => 2,
+                    'fields' => [
+                        ['handle' => 'words', 'field' => ['type' => 'text']],
+                    ],
+                ]],
+            ],
+        ]));
+
+        $preloaded = $field->fieldtype()->preload();
+
+        $this->assertEquals(
+            ['random-string-1', 'random-string-2'],
+            collect($preloaded['defaults']['nested'])->pluck('_id')->all()
+        );
+
+        $this->assertEquals(
+            ['random-string-1', 'random-string-2'],
+            array_keys($preloaded['new']['nested']['existing'])
+        );
+    }
+
     #[Test]
     public function it_augments()
     {