diff --git a/packages.mk b/packages.mk
index 2a91e6a..3320fa8 100644
--- a/packages.mk
+++ b/packages.mk
@@ -63,6 +63,7 @@
 
 	$(ROOTDIR)/build/update_packages.sh
 	cd $(ROOTDIR)/$2; git submodule init; git submodule update;
+	rm -rf $(PRODUCT_OUT)/obj/$1
 	mkdir -p $(PRODUCT_OUT)/obj/$1
 	rsync -rl --exclude .git/ $(ROOTDIR)/$2/* $(PRODUCT_OUT)/obj/$1
 	cp -r $(ROOTDIR)/packages/$1/debian $(PRODUCT_OUT)/obj/$1