Reuse Objects#hasCode()
diff --git a/src/main/java/org/apache/commons/lang3/mutable/MutableObject.java b/src/main/java/org/apache/commons/lang3/mutable/MutableObject.java
index ceec4c6..7c371f7 100644
--- a/src/main/java/org/apache/commons/lang3/mutable/MutableObject.java
+++ b/src/main/java/org/apache/commons/lang3/mutable/MutableObject.java
@@ -105,7 +105,7 @@ public boolean equals(final Object obj) {
      */
     @Override
     public int hashCode() {
-        return value == null ? 0 : value.hashCode();
+        return Objects.hashCode(value);
     }
 
     /**