diff --git a/src/main/java/org/apache/commons/collections4/multimap/AbstractMultiValuedMap.java b/src/main/java/org/apache/commons/collections4/multimap/AbstractMultiValuedMap.java
index b8a4649af..6c7da3c60 100644
--- a/src/main/java/org/apache/commons/collections4/multimap/AbstractMultiValuedMap.java
+++ b/src/main/java/org/apache/commons/collections4/multimap/AbstractMultiValuedMap.java
@@ -110,7 +110,7 @@ public class AbstractMultiValuedMap<K, V> implements MultiValuedMap<K, V>, Seria
         }
         this.map = (Map<K, Collection<V>>) map;
         this.collectionFactory = new InstantiateFactory<C>(collectionClazz, new Class[] { Integer.TYPE },
-                new Object[] { new Integer(initialCollectionCapacity) });
+                new Object[] { Integer.valueOf(initialCollectionCapacity) });
     }
 
     /**