diff --git a/lib/private/Files/Cache/QuerySearchHelper.php b/lib/private/Files/Cache/QuerySearchHelper.php
index d8c5e66e12951..77ffb8abcde3d 100644
--- a/lib/private/Files/Cache/QuerySearchHelper.php
+++ b/lib/private/Files/Cache/QuerySearchHelper.php
@@ -194,13 +194,8 @@ public function searchInCaches(ISearchQuery $searchQuery, array $caches): array
 		$result = $query->execute();
 		$files = $result->fetchAll();
 
-		$rawEntries = array_map(function (array $data) use ($metadataQuery) {
-			// migrate to null safe ...
-			if ($metadataQuery === null) {
-				$data['metadata'] = [];
-			} else {
-				$data['metadata'] = $metadataQuery->extractMetadata($data)->asArray();
-			}
+		$rawEntries = array_map(function (array $data) use ($metadataQuery): CacheEntry {
+			$data['metadata'] = $metadataQuery?->extractMetadata($data)->asArray() ?? [];
 			return Cache::cacheEntryFromData($data, $this->mimetypeLoader);
 		}, $files);