diff --git a/jdk/src/share/classes/sun/reflect/UnsafeStaticFieldAccessorImpl.java b/jdk/src/share/classes/sun/reflect/UnsafeStaticFieldAccessorImpl.java
index d3fce62376b..68ef98fa324 100644
--- a/jdk/src/share/classes/sun/reflect/UnsafeStaticFieldAccessorImpl.java
+++ b/jdk/src/share/classes/sun/reflect/UnsafeStaticFieldAccessorImpl.java
@@ -43,7 +43,7 @@ abstract class UnsafeStaticFieldAccessorImpl extends UnsafeFieldAccessorImpl {
                                           new String[] { "base" });
     }
 
-    protected Object base; // base
+    protected final Object base; // base
 
     UnsafeStaticFieldAccessorImpl(Field field) {
         super(field);