diff --git a/build_library/grub_install.sh b/build_library/grub_install.sh
index 9b4c82f8c1..1dbc45dbad 100755
--- a/build_library/grub_install.sh
+++ b/build_library/grub_install.sh
@@ -195,10 +195,10 @@ case "${FLAGS_target}" in
 	# Use the test keys for signing unofficial builds
 	if [[ ${COREOS_OFFICIAL:-0} -ne 1 ]]; then
             sudo sbsign --key /usr/share/sb_keys/DB.key \
-		--cert /usr/share/sb_keys/DB.crt \
+                    --cert /usr/share/sb_keys/DB.crt \
                     "${ESP_DIR}/${GRUB_DIR}/${CORE_NAME}"
             sudo cp "${ESP_DIR}/${GRUB_DIR}/${CORE_NAME}.signed" \
-                "${ESP_DIR}/EFI/boot/grub.efi"
+                "${ESP_DIR}/EFI/boot/grubx64.efi"
             sudo sbsign --key /usr/share/sb_keys/DB.key \
                  --cert /usr/share/sb_keys/DB.crt \
                  --output "${ESP_DIR}/EFI/boot/bootx64.efi" \