diff --git a/meta-nuvoton/recipes-kernel/linux/linux-nuvoton.inc b/meta-nuvoton/recipes-kernel/linux/linux-nuvoton.inc
index fd68032..d965790 100644
--- a/meta-nuvoton/recipes-kernel/linux/linux-nuvoton.inc
+++ b/meta-nuvoton/recipes-kernel/linux/linux-nuvoton.inc
@@ -8,7 +8,7 @@
 
 KSRC ?= "git://github.com/openbmc/linux;protocol=git;branch=${KBRANCH}"
 SRC_URI = "${KSRC}"
-SRC_URI_append_npcm7xx = " file://defconfig"
+SRC_URI:append:npcm7xx = " file://defconfig"
 
 LINUX_VERSION_EXTENSION ?= "-${SRCREV}"