diff --git a/conf/machine/freedom-u540.conf b/conf/machine/freedom-u540.conf
index 4a8d4b2..9780a12 100644
--- a/conf/machine/freedom-u540.conf
+++ b/conf/machine/freedom-u540.conf
@@ -55,6 +55,7 @@ WKS_FILE_DEPENDS ?= " \
 IMAGE_BOOT_FILES ?= " \
     Image \
     uImage \
+    boot.scr.uimg \
 "
 
 WKS_FILE ?= "freedom-u540-opensbi.wks"