diff --git a/lib/public/Federation/ICloudIdManager.php b/lib/public/Federation/ICloudIdManager.php
index 7be8f08c6b..5251c2b95d 100644
--- a/lib/public/Federation/ICloudIdManager.php
+++ b/lib/public/Federation/ICloudIdManager.php
@@ -29,6 +29,7 @@ interface ICloudIdManager {
 	/**
 	 * @param string $cloudId
 	 * @return ICloudId
+	 * @throws \InvalidArgumentException
 	 *
 	 * @since 12.0.0
 	 */