diff --git a/mozilla/netwerk/build/makefile.win b/mozilla/netwerk/build/makefile.win
index 6e5a10dc0e9..88e600246f6 100644
--- a/mozilla/netwerk/build/makefile.win
+++ b/mozilla/netwerk/build/makefile.win
@@ -26,6 +26,8 @@ CPP_OBJS=                            \
         .\$(OBJDIR)\nsNetFactory.obj \
 	$(NULL)
 
+include <$(DEPTH)\config\config.mak>
+
 LLIBS=                              \
         $(DIST)\lib\neckobase_s.lib \
         $(DIST)\lib\neckodns_s.lib  \
diff --git a/mozilla/netwerk/makefile.win b/mozilla/netwerk/makefile.win
index cb46b0423e3..dce66dd4811 100644
--- a/mozilla/netwerk/makefile.win
+++ b/mozilla/netwerk/makefile.win
@@ -19,6 +19,8 @@ DEPTH = ..
 
 MODULE = necko
 
+include <$(DEPTH)\config\config.mak>
+
 DIRS=            \
 	base     \
 	dns      \