diff --git a/js/src/Makefile b/js/src/Makefile
index dbc944b8c6c1..857bfc6d047e 100644
--- a/js/src/Makefile
+++ b/js/src/Makefile
@@ -16,6 +16,8 @@
 
 DEPTH		= ../..
 
+include $(DEPTH)/config/config.mk
+
 ifdef MOZ_OJI
 DIRS = liveconnect
 endif