diff --git a/lib/Service/SchemaService.php b/lib/Service/SchemaService.php
index f9aa57a3c0..127352a73b 100644
--- a/lib/Service/SchemaService.php
+++ b/lib/Service/SchemaService.php
@@ -117,7 +117,7 @@ public function extract(Account $account, Mailbox $mailbox, int $id) {
 			// TODO: Add future dependencies here.
 		];
 
-		$schemaType = $schema->{"@type"};
+		$schemaType = is_array($result) ? $result[0]->{"@type"} : $result->{"@type"};
 
 		if (!array_key_exists($schemaType, $requiredAppForTypeMap)) {
 			return $result;
diff --git a/tests/Unit/Service/SchemaServiceTest.php b/tests/Unit/Service/SchemaServiceTest.php
index 2318eac849..e6a1321c68 100644
--- a/tests/Unit/Service/SchemaServiceTest.php
+++ b/tests/Unit/Service/SchemaServiceTest.php
@@ -40,8 +40,6 @@
 use PHPUnit\Framework\MockObject\MockObject;
 use Psr\Log\NullLogger;
 
-use function Amp\Iterator\toArray;
-
 class SchemaServiceTest extends TestCase {
 	/** @var IMAPClientFactory|MockObject */
 	private $imapClientFactory;