diff --git a/src/Renderer/TangibleFieldsRenderer.php b/src/Renderer/TangibleFieldsRenderer.php
index 99416ac..3b70497 100644
--- a/src/Renderer/TangibleFieldsRenderer.php
+++ b/src/Renderer/TangibleFieldsRenderer.php
@@ -177,6 +177,7 @@ protected function extract_fields_from_item( array $item ): array {
             $fields[] = [
                 'type'   => 'accordion',
                 'label'  => $item['label'],
+                'title'  => $item['label'],
                 'value'  => true, // Expanded by default.
                 'fields' => $section_fields,
             ];
@@ -224,7 +225,7 @@ protected function render_tabs( array $tabs_structure ): string {
             }
 
             $tabs[ $tab_key ] = [
-                'label'  => $tab['label'],
+                'title'  => $tab['label'],
                 'fields' => $tab_fields,
             ];
         }
diff --git a/tests/phpunit/data-view.php b/tests/phpunit/data-view.php
index c8e48a9..4926629 100644
--- a/tests/phpunit/data-view.php
+++ b/tests/phpunit/data-view.php
@@ -1414,6 +1414,8 @@ public function test_renderer_extract_fields_preserves_section_structure(): void
         // Should return an accordion config that preserves the section label.
         $this->assertCount( 1, $result );
         $this->assertEquals( 'accordion', $result[0]['type'] );
+        $this->assertArrayHasKey( 'title', $result[0] ); // Required by Fields library.
+        $this->assertEquals( 'Contact Info', $result[0]['title'] );
         $this->assertEquals( 'Contact Info', $result[0]['label'] );
         $this->assertTrue( $result[0]['value'] ); // Expanded by default.
         $this->assertArrayHasKey( 'fields', $result[0] );