diff --git a/core/Controller/TextToImageApiController.php b/core/Controller/TextToImageApiController.php
index 27833c0035d..45443347ee0 100644
--- a/core/Controller/TextToImageApiController.php
+++ b/core/Controller/TextToImageApiController.php
@@ -40,6 +40,7 @@ use OCP\DB\Exception;
 use OCP\Files\NotFoundException;
 use OCP\IL10N;
 use OCP\IRequest;
+use OCP\TextToImage\Exception\TaskFailureException;
 use OCP\TextToImage\Exception\TaskNotFoundException;
 use OCP\TextToImage\Task;
 use OCP\TextToImage\IManager;
@@ -95,7 +96,7 @@ class TextToImageApiController extends \OCP\AppFramework\OCSController {
 		try {
 			try {
 				$this->textToImageManager->runOrScheduleTask($task);
-			} catch (\RuntimeException) {
+			} catch (TaskFailureException) {
 				// noop
 			}
 
diff --git a/lib/private/TextToImage/Manager.php b/lib/private/TextToImage/Manager.php
index eb3ee25b8e0..12f7db44a25 100644
--- a/lib/private/TextToImage/Manager.php
+++ b/lib/private/TextToImage/Manager.php
@@ -32,6 +32,7 @@ use OCP\Files\IAppData;
 use OCP\Files\NotFoundException;
 use OCP\Files\NotPermittedException;
 use OCP\IConfig;
+use OCP\TextToImage\Exception\TaskFailureException;
 use OCP\TextToImage\Exception\TaskNotFoundException;
 use OCP\TextToImage\IManager;
 use OCP\TextToImage\Task;
@@ -194,15 +195,11 @@ class Manager implements IManager {
 				} catch (Exception $e) {
 					$this->logger->warning('Failed to update database after Text2Image error', ['exception' => $e]);
 				}
-				if ($e instanceof RuntimeException) {
-					throw $e;
-				} else {
-					throw new RuntimeException('Text2Image generation using provider "' . $provider->getName() . '" failed: ' . $e->getMessage(), 0, $e);
-				}
+				throw new TaskFailureException('Text2Image generation using provider "' . $provider->getName() . '" failed: ' . $e->getMessage(), 0, $e);
 			}
 		}
 
-		throw new RuntimeException('Could not run task');
+		throw new TaskFailureException('Could not run task');
 	}
 
 	/**
diff --git a/lib/public/TextToImage/Exception/TaskFailureException.php b/lib/public/TextToImage/Exception/TaskFailureException.php
new file mode 100644
index 00000000000..a640fdff2e8
--- /dev/null
+++ b/lib/public/TextToImage/Exception/TaskFailureException.php
@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * @copyright Copyright (c) 2023 Marcel Klehr <mklehr@gmx.net>
+ *
+ * @author Marcel Klehr <mklehr@gmx.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCP\TextToImage\Exception;
+
+/**
+ * @since 28.0.0
+ */
+class TaskFailureException extends TextToImageException {
+}
diff --git a/lib/public/TextToImage/IManager.php b/lib/public/TextToImage/IManager.php
index cfe38e3ce7f..bc16896b43b 100644
--- a/lib/public/TextToImage/IManager.php
+++ b/lib/public/TextToImage/IManager.php
@@ -28,6 +28,7 @@ namespace OCP\TextToImage;
 
 use OCP\DB\Exception;
 use OCP\PreConditionNotMetException;
+use OCP\TextToImage\Exception\TaskFailureException;
 use OCP\TextToImage\Exception\TaskNotFoundException;
 use RuntimeException;
 
@@ -51,7 +52,7 @@ interface IManager {
 	/**
 	 * @param Task $task The task to run
 	 * @throws PreConditionNotMetException If no or not the requested provider was registered but this method was still called
-	 * @throws RuntimeException If something else failed
+	 * @throws TaskFailureException If something else failed
 	 * @since 28.0.0
 	 */
 	public function runTask(Task $task): void;
@@ -71,7 +72,7 @@ interface IManager {
 	/**
 	 * @throws Exception if there was a problem inserting the task into the database
 	 * @throws PreConditionNotMetException if no provider is registered
-	 * @throws RuntimeException If the task run fail
+	 * @throws TaskFailureException If the task run failed
 	 * @since 28.0.0
 	 */
 	public function runOrScheduleTask(Task $task) : void;