diff --git a/openwrt/package/sdk/files/Makefile.sdk b/openwrt/package/sdk/files/Makefile.sdk
index b4a3010be4..6d5f61ad11 100644
--- a/openwrt/package/sdk/files/Makefile.sdk
+++ b/openwrt/package/sdk/files/Makefile.sdk
@@ -12,7 +12,7 @@ PACKAGES_PREPARE:=$(foreach package,$(PACKAGES),$(package)-prepare)
 PACKAGES_COMPILE:=$(foreach package,$(PACKAGES),$(package)-compile)
 PACKAGES_CLEAN:=$(foreach package,$(PACKAGES),$(package)-clean)
 
-all: compile
+all: compile package_index
 compile: $(PACKAGES_COMPILE)
 clean: $(PACKAGES_CLEAN)
 	rm -rf $(BUILD_DIR)
@@ -34,3 +34,9 @@ distclean: clean
 $(BUILD_DIR):
 	mkdir -p $@
 	mkdir -p $(DL_DIR)
+	
+package_index:
+	(cd $(PACKAGE_DIR); \
+		$(STAGING_DIR)/usr/bin/ipkg-make-index . > Packages \
+	)
+