diff --git a/src/emucore/Event.hxx b/src/emucore/Event.hxx
index 74bf2723e..bc12cee7e 100644
--- a/src/emucore/Event.hxx
+++ b/src/emucore/Event.hxx
@@ -112,7 +112,7 @@ class Event
     };
 
     // Event list version, update if the id of existing event types changed
-    static constexpr Int32 VERSION = 3;
+    static constexpr Int32 VERSION = 2;
 
     class KeyTable {
       public: