diff --git a/meta/classes/populate_sdk_ipk.bbclass b/meta/classes/populate_sdk_ipk.bbclass
index 8a0c268..c256c69 100644
--- a/meta/classes/populate_sdk_ipk.bbclass
+++ b/meta/classes/populate_sdk_ipk.bbclass
@@ -20,6 +20,11 @@ populate_sdk_ipk() {
 	export INSTALL_CONF_IPK="${IPKGCONF_TARGET}"
 	export INSTALL_PACKAGES_IPK="${TOOLCHAIN_TARGET_TASK}"
 
+	export D=${INSTALL_ROOTFS_IPK}
+	export OFFLINE_ROOT=${INSTALL_ROOTFS_IPK}
+	export IPKG_OFFLINE_ROOT=${INSTALL_ROOTFS_IPK}
+	export OPKG_OFFLINE_ROOT=${IPKG_OFFLINE_ROOT}
+
 	package_install_internal_ipk
 
 	#install host