diff --git a/src/com/google/doclava/Doclava.java b/src/com/google/doclava/Doclava.java
index 049e93e..45804a1 100644
--- a/src/com/google/doclava/Doclava.java
+++ b/src/com/google/doclava/Doclava.java
@@ -172,7 +172,7 @@
   }
 
   public static void main(String[] args) {
-    com.sun.tools.javadoc.Main.execute(args);
+    System.exit(com.sun.tools.javadoc.Main.execute(args));
   }
 
   public static boolean start(RootDoc r) {