diff --git a/lib/private/Session/CryptoSessionData.php b/lib/private/Session/CryptoSessionData.php
index fc7693b71b..2b5b5c7b5e 100644
--- a/lib/private/Session/CryptoSessionData.php
+++ b/lib/private/Session/CryptoSessionData.php
@@ -87,6 +87,7 @@ class CryptoSessionData implements \ArrayAccess, ISession {
 			);
 		} catch (\Exception $e) {
 			$this->sessionValues = [];
+			$this->regenerateId(true, false);
 		}
 	}