diff --git a/src/main/java/org/yaml/snakeyaml/constructor/BaseConstructor.java b/src/main/java/org/yaml/snakeyaml/constructor/BaseConstructor.java
index fecb2c3..7423456 100644
--- a/src/main/java/org/yaml/snakeyaml/constructor/BaseConstructor.java
+++ b/src/main/java/org/yaml/snakeyaml/constructor/BaseConstructor.java
@@ -63,7 +63,7 @@
     protected final Map<String, Construct> yamlMultiConstructors = new HashMap<String, Construct>();
 
     private Composer composer;
-    protected final Map<Node, Object> constructedObjects;
+    private final Map<Node, Object> constructedObjects;
     private final Set<Node> recursiveObjects;
     private final ArrayList<RecursiveTuple<Map<Object, Object>, RecursiveTuple<Object, Object>>> maps2fill;
     private final ArrayList<RecursiveTuple<Set<Object>, Object>> sets2fill;