PKG_VERSION:=$(PKG_PATCHVER)$(strip $(LINUX_VERSION-$(PKG_PATCHVER)))
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
-PKG_SOURCE_URL:=$(LINUX_SITE)
+PKG_SOURCE_URL:=@KERNEL/linux/kernel/v$(word 1,$(subst ., ,$(PKG_PATCHVER))).x
PKG_HASH:=$(LINUX_KERNEL_HASH-$(strip $(PKG_VERSION)))
PKG_BUILD_DIR:=$(KERNEL_BUILD_DIR)/bpf-headers/$(PKG_NAME)-$(PKG_VERSION)