diff --git a/lib/Public/ContentManager.php b/lib/Public/ContentManager.php
index 76b5390..add169e 100644
--- a/lib/Public/ContentManager.php
+++ b/lib/Public/ContentManager.php
@@ -12,7 +12,6 @@
 use OCA\ContextChat\BackgroundJobs\SubmitContentJob;
 use OCA\ContextChat\Db\QueueContentItem;
 use OCA\ContextChat\Db\QueueContentItemMapper;
-use OCA\ContextChat\Event\ContentProviderRegisterEvent;
 use OCA\ContextChat\Logger;
 use OCA\ContextChat\Service\ActionScheduler;
 use OCA\ContextChat\Service\ProviderConfigService;
@@ -91,7 +90,9 @@ public function registerContentProvider(string $appId, string $providerId, strin
 	 * @since 2.2.2
 	 */
 	public function collectAllContentProviders(): void {
-		$providerCollectionEvent = new ContentProviderRegisterEvent($this);
+		$providerCollectionEvent = new \OCA\ContextChat\Event\ContentProviderRegisterEvent($this);
+		$this->eventDispatcher->dispatchTyped($providerCollectionEvent);
+		$providerCollectionEvent = new \OCP\ContextChat\Events\ContentProviderRegisterEvent($this);
 		$this->eventDispatcher->dispatchTyped($providerCollectionEvent);
 	}
 
diff --git a/lib/Service/MetadataService.php b/lib/Service/MetadataService.php
index 5c0dadd..745ceec 100644
--- a/lib/Service/MetadataService.php
+++ b/lib/Service/MetadataService.php
@@ -86,7 +86,7 @@ public function getEnrichedProviders(): array {
 
 	private function getIdFromSource(string $sourceId): string {
 		// note the ":" in the item id part
-		if (!preg_match('/^[a-zA-Z0-9_-]+__[a-zA-Z0-9_-]+: ([a-zA-Z0-9:-])+$/', $sourceId, $matches)) {
+		if (!preg_match('/^[a-zA-Z0-9_-]+__[a-zA-Z0-9_-]+: ([a-zA-Z0-9:-]+)$/', $sourceId, $matches)) {
 			throw new \InvalidArgumentException("Invalid source id $sourceId");
 		}
 		return $matches[1];