diff --git a/lib/private/Session/Internal.php b/lib/private/Session/Internal.php
index b7e1c7b7bf87e..632394c135e65 100644
--- a/lib/private/Session/Internal.php
+++ b/lib/private/Session/Internal.php
@@ -182,7 +182,9 @@ public function reopen() {
 	 * @throws \ErrorException
 	 */
 	public function trapError(int $errorNumber, string $errorString) {
-		throw new \ErrorException($errorString);
+		if ($errorNumber & E_ERROR) {
+			throw new \ErrorException($errorString);
+		}
 	}
 
 	/**