diff --git a/openwrt/package/zlib/Makefile b/openwrt/package/zlib/Makefile
index 8dc2cc31935..95f6ce997e0 100644
--- a/openwrt/package/zlib/Makefile
+++ b/openwrt/package/zlib/Makefile
@@ -7,7 +7,7 @@ PKG_VERSION:=1.2.2
 PKG_RELEASE:=1
 PKG_MD5SUM:=1b8aab042d40979e456194c468fd72c5
 
-PKG_SOURCE_URL:=http://www.zlib.net/
+PKG_SOURCE_URL:=@SF/zlib
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_CAT:=bzcat