diff --git a/meta/classes/sign_package_feed.bbclass b/meta/classes/sign_package_feed.bbclass
index d5df8afb9f..63ca02fd9d 100644
--- a/meta/classes/sign_package_feed.bbclass
+++ b/meta/classes/sign_package_feed.bbclass
@@ -35,3 +35,4 @@ python () {
 }
 
 do_package_index[depends] += "signing-keys:do_export_public_keys"
+do_rootfs[depends] += "signing-keys:do_export_public_keys"