diff --git a/mozilla/java/webclient/Makefile.win b/mozilla/java/webclient/Makefile.win
index 686e2afd602..a2cbb1960c1 100644
--- a/mozilla/java/webclient/Makefile.win
+++ b/mozilla/java/webclient/Makefile.win
@@ -35,8 +35,15 @@ IGNORE_MANIFEST=1
 #//------------------------------------------------------------------------
 DEPTH = ..\..
 
+!if defined(WEBCLIENT_SPEC)
+DIRS  = classes_spec \
+	src_moz
+!else
 DIRS  = classes \
 	src
+!endif
+
+
 
 include <$(DEPTH)\config\rules.mak>