diff --git a/mozilla/java/Makefile.win b/mozilla/java/Makefile.win
index be45d6ef19a..5e693e9265c 100644
--- a/mozilla/java/Makefile.win
+++ b/mozilla/java/Makefile.win
@@ -39,4 +39,15 @@ DIRS  = util \
 	dom \
 	webclient 
 
+export:: unjar_dom
+
 include <$(DEPTH)\config\rules.mak>
+
+unjar_dom:
+	if not exist $(DEPTH)\dist\classes $(MKDIR) $(DEPTH)\dist\classes
+	cd $(DEPTH)\dist\classes
+	$(JDKHOME)\bin\jar -xf ..\..\java\external\dom2.jar
+	cd ..\..\java
+
+clobber_all::
+	$(RM) -rf $(DEPTH)\dist\classes\org\w3c