diff --git a/meta-arm-bsp/conf/machine/n1sdp.conf b/meta-arm-bsp/conf/machine/n1sdp.conf
index e4e6663e..9df3e502 100644
--- a/meta-arm-bsp/conf/machine/n1sdp.conf
+++ b/meta-arm-bsp/conf/machine/n1sdp.conf
@@ -15,7 +15,7 @@ SERIAL_CONSOLES = "115200;ttyAMA0"
 
 # Set default WKS
 WKS_FILE ?= "n1sdp-efidisk.wks"
-IMAGE_BOOT_FILES ?= "n1sdp-multi-chip.dtb n1sdp-single-chip.dtb"
+IMAGE_EFI_BOOT_FILES ?= "n1sdp-multi-chip.dtb n1sdp-single-chip.dtb"
 WKS_FILE_DEPENDS_append = " ${EXTRA_IMAGEDEPENDS}"
 
 # Use kernel provided by linaro (Contains support for SCMi or HDMI)