diff --git a/lib/private/Comments/Manager.php b/lib/private/Comments/Manager.php
index 309b682767..e54218509d 100644
--- a/lib/private/Comments/Manager.php
+++ b/lib/private/Comments/Manager.php
@@ -158,9 +158,9 @@ class Manager implements ICommentsManager {
 		$comment = $this->get($id);
 		if ($comment->getParentId() === '0') {
 			return $comment->getId();
-		} else {
-			return $this->determineTopmostParentId($comment->getId());
 		}
+
+		return $this->determineTopmostParentId($comment->getParentId());
 	}
 
 	/**