diff --git a/src/Security/BasicAuth.php b/src/Security/BasicAuth.php
index f2154ae8a4..2b4baaa36e 100644
--- a/src/Security/BasicAuth.php
+++ b/src/Security/BasicAuth.php
@@ -62,6 +62,11 @@ class BasicAuth
 		return (int)self::$current_user_id;
 	}
 
+	public static function setCurrentUserID(int $uid)
+	{
+		self::$current_user_id = $uid;
+	}
+
 	/**
 	 * Fetch a dummy application token
 	 *
diff --git a/tests/legacy/ApiTest.php b/tests/legacy/ApiTest.php
index e193541593..1e5f12d854 100644
--- a/tests/legacy/ApiTest.php
+++ b/tests/legacy/ApiTest.php
@@ -114,6 +114,7 @@ class ApiTest extends FixtureTest
 			'authenticated' => true,
 			'uid'           => $this->selfUser['id']
 		];
+		BasicAuth::setCurrentUserID($this->selfUser['id']);
 	}
 
 	/**