diff --git a/rpcs3/Emu/Cell/lv2/sys_mmapper.h b/rpcs3/Emu/Cell/lv2/sys_mmapper.h
index 57f2c33dd5..3a1211ea58 100644
--- a/rpcs3/Emu/Cell/lv2/sys_mmapper.h
+++ b/rpcs3/Emu/Cell/lv2/sys_mmapper.h
@@ -71,6 +71,8 @@ struct page_fault_notification_entries
 	std::vector<page_fault_notification_entry> entries;
 	shared_mutex mutex;
 
+	SAVESTATE_INIT_POS(44);
+
 	page_fault_notification_entries() = default;
 	page_fault_notification_entries(utils::serial& ar);
 	void save(utils::serial& ar);