diff --git a/meta/classes-recipe/rootfs.bbclass 
b/meta/classes-recipe/rootfs.bbclass
index 8b502a50..ca1a4a88 100644
--- a/meta/classes-recipe/rootfs.bbclass
+++ b/meta/classes-recipe/rootfs.bbclass
@@ -40,7 +40,7 @@ ROOTFS_FEATURES:remove:bullseye = "generate-sbom"
 ROOTFS_FEATURES:remove:jammy = "generate-sbom"
 ROOTFS_FEATURES:remove:focal = "generate-sbom"
 
-ROOTFS_APT_ARGS="install --yes -o Debug::pkgProblemResolver=yes"
+ROOTFS_APT_ARGS+="install --yes -o Debug::pkgProblemResolver=yes"
 
 ROOTFS_CLEAN_FILES="/etc/hostname /etc/resolv.conf"