diff --git a/meta/classes-recipe/uboot-sign.bbclass b/meta/classes-recipe/uboot-sign.bbclass
index 76a81546e34..7744e0c5ab5 100644
--- a/meta/classes-recipe/uboot-sign.bbclass
+++ b/meta/classes-recipe/uboot-sign.bbclass
@@ -113,6 +113,8 @@ python() {
     sign = d.getVar('UBOOT_SIGN_ENABLE') == '1'
     if d.getVar('UBOOT_FITIMAGE_ENABLE') == '1' or sign:
         d.appendVar('DEPENDS', " u-boot-tools-native dtc-native")
+    if sign:
+        d.appendVarFlag('do_uboot_assemble_fitimage', 'depends', ' virtual/kernel:do_kernel_generate_rsa_keys')
 }
 
 concat_dtb() {