diff --git a/build.xml b/build.xml
index 01d512a4e3f35632e9eaa4f3a44ba3ec1eca6ac2..e25435d64931310256db62dedf24b70fc6eaf329 100644
--- a/build.xml
+++ b/build.xml
@@ -900,6 +900,7 @@
              source="${source.version}"
              classpathref="classpath">
 
+      <arg value="-notimestamp"/>
       <!-- Get a list of directories that name all the potential
        !   java packages -->
       <packageset dir="${java.dir}" defaultexcludes="yes">