diff --git a/build.xml b/build.xml
index f5d7953d4..743c4a653 100644
--- a/build.xml
+++ b/build.xml
@@ -180,6 +180,7 @@ PROPERTIES
        but if it is unset it will take this default value. -->
   <property name="env.ANT_OPTS" value="-Xms512M -Xmx1024M -Xss1M -XX:MaxPermSize=128M" />
   <!--  to find max heap usage: -Xaprof ; currently at 980M for locker.comp -->
+  <echo message="Using ANT_OPTS: ${env.ANT_OPTS}" />
 
   <property
       name="scalacfork.jvmargs"