diff --git a/classpath/java/util/Stack.java b/classpath/java/util/Stack.java
index c44462fba3..862e15f39e 100644
--- a/classpath/java/util/Stack.java
+++ b/classpath/java/util/Stack.java
@@ -12,7 +12,7 @@ package java.util;
 
 public class Stack<T> extends Vector<T> {
   public boolean empty() {
-    return size() != 0;
+    return size() == 0;
   }
 
   public T peek() {