diff --git a/core/ResponseDefinitions.php b/core/ResponseDefinitions.php
index ef577a61420..68474a6e535 100644
--- a/core/ResponseDefinitions.php
+++ b/core/ResponseDefinitions.php
@@ -194,6 +194,7 @@ namespace OCA\Core;
  *
  * @psalm-type CoreTaskProcessingTask = array{
  *     id: ?int,
+ *     type: string,
  *     status: 0|1|2|3|4|5,
  *     userId: ?string,
  *     appId: string,
diff --git a/lib/public/TaskProcessing/Task.php b/lib/public/TaskProcessing/Task.php
index 4bddd06162f..eb4cbe345e1 100644
--- a/lib/public/TaskProcessing/Task.php
+++ b/lib/public/TaskProcessing/Task.php
@@ -193,12 +193,13 @@ final class Task implements \JsonSerializable {
 	}
 
 	/**
-	 * @psalm-return array{id: ?int, status: self::STATUS_*, userId: ?string, appId: string, input: ?array<array-key, mixed>, output: ?array<array-key, mixed>, identifier: ?string, completionExpectedAt: ?int, progress: ?float}
+	 * @psalm-return array{id: ?int, type: string, status: self::STATUS_*, userId: ?string, appId: string, input: ?array<array-key, mixed>, output: ?array<array-key, mixed>, identifier: ?string, completionExpectedAt: ?int, progress: ?float}
 	 * @since 30.0.0
 	 */
 	public function jsonSerialize(): array {
 		return [
 			'id' => $this->getId(),
+			'type' => $this->getTaskTypeId(),
 			'status' => $this->getStatus(),
 			'userId' => $this->getUserId(),
 			'appId' => $this->getAppId(),