diff --git a/meta-witherspoon/recipes-kernel/linux/linux-aspeed_%.bbappend b/meta-witherspoon/recipes-kernel/linux/linux-aspeed_%.bbappend
index e41a430..fa249c0 100644
--- a/meta-witherspoon/recipes-kernel/linux/linux-aspeed_%.bbappend
+++ b/meta-witherspoon/recipes-kernel/linux/linux-aspeed_%.bbappend
@@ -1,3 +1,3 @@
 FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
-SRC_URI += "file://witherspoon.cfg"
+SRC_URI_append_ibm-ac-server = " file://witherspoon.cfg"
 SRC_URI_append_witherspoon-128 = " file://0001-ARM-dts-Aspeed-Witherspoon-128-Update-BMC-partitioni.patch"