diff --git a/src/main/java/org/apache/commons/collections4/map/LinkedMap.java b/src/main/java/org/apache/commons/collections4/map/LinkedMap.java
index eb5b44f3a..0bdebab56 100644
--- a/src/main/java/org/apache/commons/collections4/map/LinkedMap.java
+++ b/src/main/java/org/apache/commons/collections4/map/LinkedMap.java
@@ -208,7 +208,7 @@ public class LinkedMap<K, V> extends AbstractLinkedMap<K, V> implements Serializ
      */
     static class LinkedMapList<K> extends AbstractList<K> {
 
-        final LinkedMap<K, ?> parent;
+        private final LinkedMap<K, ?> parent;
 
         LinkedMapList(final LinkedMap<K, ?> parent) {
             this.parent = parent;