diff --git a/src/main/java/com/fasterxml/jackson/databind/util/EnumValues.java b/src/main/java/com/fasterxml/jackson/databind/util/EnumValues.java
index 37a14d6e6f..6a99424c14 100644
--- a/src/main/java/com/fasterxml/jackson/databind/util/EnumValues.java
+++ b/src/main/java/com/fasterxml/jackson/databind/util/EnumValues.java
@@ -218,7 +218,7 @@ public EnumMap<?,SerializableString> internalMap() {
             for (Enum<?> en : _values) {
                 map.put(en, _textual[en.ordinal()]);
             }
-            result = new EnumMap(map);
+            _asMap = result = new EnumMap(map);
         }
         return result;
     }