diff --git a/src/Service/Indexer/IndexSchema2xDocument.php b/src/Service/Indexer/IndexSchema2xDocument.php
index df81983..fda15a3 100644
--- a/src/Service/Indexer/IndexSchema2xDocument.php
+++ b/src/Service/Indexer/IndexSchema2xDocument.php
@@ -25,6 +25,7 @@ class IndexSchema2xDocument extends Document implements IndexDocument
     public ?string $sp_name = null;
     public ?string $sp_anchor = null;
     public ?string $title = null;
+    public ?string $sp_startletter = null;
     public ?string $description = null;
     public ?string $sp_objecttype = null;
     public ?bool $sp_canonical = null;
diff --git a/src/Service/Indexer/SiteKit/DefaultSchema2xDocumentEnricher.php b/src/Service/Indexer/SiteKit/DefaultSchema2xDocumentEnricher.php
index cd6b9d3..a4a0cdf 100644
--- a/src/Service/Indexer/SiteKit/DefaultSchema2xDocumentEnricher.php
+++ b/src/Service/Indexer/SiteKit/DefaultSchema2xDocumentEnricher.php
@@ -123,8 +123,8 @@ public function enrichDocument(
 
         $doc->sp_archive = $base->getBool('archive');
 
-        $headline = $metadata->getString('headline')
-            ?: $base->getString('teaser.headline')
+        $headline = $base->getString('teaser.headline')
+            ?: $metadata->getString('headline')
             ?: $base->getString('title');
         $doc->sp_title = $headline;
 
@@ -133,6 +133,8 @@ public function enrichDocument(
             ?: $base->getString('title');
         $doc->sp_sortvalue = $sortHeadline;
 
+        $doc->sp_startletter = $base->getString('startletter');
+
         /** @var string[] $keyword */
         $keyword = $metadata->getArray('keywords');
         $doc->keywords = $keyword;
diff --git a/test/Service/Indexer/SiteKit/DefaultSchema2xDocumentEnricherTest.php b/test/Service/Indexer/SiteKit/DefaultSchema2xDocumentEnricherTest.php
index fd8d7b5..f21e574 100644
--- a/test/Service/Indexer/SiteKit/DefaultSchema2xDocumentEnricherTest.php
+++ b/test/Service/Indexer/SiteKit/DefaultSchema2xDocumentEnricherTest.php
@@ -728,6 +728,18 @@ public function testEnrichContactPointContent(): void
         );
     }
 
+    public function testEnrichStartletter(): void
+    {
+        $doc = $this->enrichWithData(['base' => [
+            'startletter' => 'z',
+        ]]);
+        $this->assertEquals(
+            'z',
+            $doc->sp_startletter,
+            'unexpected base.startletter',
+        );
+    }
+
     private function enrichWithResource(
         Resource $resource,
     ): IndexSchema2xDocument {