diff --git a/src/Security/BasicAuth.php b/src/Security/BasicAuth.php
index 2b4baaa36e..d4c8bc6dcb 100644
--- a/src/Security/BasicAuth.php
+++ b/src/Security/BasicAuth.php
@@ -62,7 +62,7 @@ class BasicAuth
 		return (int)self::$current_user_id;
 	}
 
-	public static function setCurrentUserID(int $uid)
+	public static function setCurrentUserID(int $uid = null)
 	{
 		self::$current_user_id = $uid;
 	}
diff --git a/tests/legacy/ApiTest.php b/tests/legacy/ApiTest.php
index 1e5f12d854..e2224a19a1 100644
--- a/tests/legacy/ApiTest.php
+++ b/tests/legacy/ApiTest.php
@@ -1068,6 +1068,7 @@ class ApiTest extends FixtureTest
 	{
 		$this->expectException(\Friendica\Network\HTTPException\ForbiddenException::class);
 		$_SESSION['authenticated'] = false;
+		BasicAuth::setCurrentUserID();
 		api_statuses_mediap('json');
 	}