diff --git a/lib/private/Session/Internal.php b/lib/private/Session/Internal.php
index 285b6fd796037..4966bb3d55953 100644
--- a/lib/private/Session/Internal.php
+++ b/lib/private/Session/Internal.php
@@ -103,7 +103,9 @@ public function remove(string $key) {
 	public function clear() {
 		$this->invoke('session_unset');
 		$this->regenerateId();
-		$this->startSession(true);
+		if(!isset($_SESSION)){
+			$this->startSession(true);
+		}
 		$_SESSION = [];
 	}