diff --git a/scripts/mkimg.netboot.sh b/scripts/mkimg.netboot.sh
index 513fcb8c2edcb8bfba8a0e6de9906fd8e5bf6e11..afce270f815d990db138aa134f3e6fa46a2f61f1 100755
--- a/scripts/mkimg.netboot.sh
+++ b/scripts/mkimg.netboot.sh
@@ -13,6 +13,7 @@ profile_netboot() {
 	arch="aarch64 armhf ppc64le x86 x86_64 s390x"
 	kernel_cmdline="nomodeset"
 	kernel_flavors="vanilla"
+	modloop_sign=yes
 	apks=""
 	initfs_features="base network squashfs usb virtio"
 	output_format="netboot"