diff --git a/src/Container/AbstractProjectionManagerFactory.php b/src/Container/AbstractProjectionManagerFactory.php
index <HASH>..<HASH> 100644
--- a/src/Container/AbstractProjectionManagerFactory.php
+++ b/src/Container/AbstractProjectionManagerFactory.php
@@ -87,7 +87,7 @@ abstract class AbstractProjectionManagerFactory implements
 
     public function mandatoryOptions(): iterable
     {
-        return ['event_store', 'connection'];
+        return ['connection'];
     }
 
     public function defaultOptions(): iterable
event_store is not mandatory (because of defaults)