diff --git a/tests/fddboot_test.in b/tests/fddboot_test.in
index a05eb3e75..a59645b7f 100644
--- a/tests/fddboot_test.in
+++ b/tests/fddboot_test.in
@@ -46,6 +46,6 @@ case "${grub_modinfo_target_cpu}-${grub_modinfo_platform}" in
 	exit 0;;
 esac
 
-if [ "$(echo hello | "${grubshell}" --boot=fd --mkrescue-arg="--compress=xz --fonts= --locales= --themes=")" != "Hello World" ]; then
+if [ "$(echo hello | "${grubshell}" --boot=fd --mkrescue-arg="--compress=xz --fonts= --locales= --themes= -no-pad")" != "Hello World" ]; then
    exit 1
 fi