diff --git a/fs/iso9660/iso9660.mk b/fs/iso9660/iso9660.mk
index 5bd703869c..c12f59febe 100644
--- a/fs/iso9660/iso9660.mk
+++ b/fs/iso9660/iso9660.mk
@@ -151,13 +151,13 @@ ROOTFS_ISO9660_GRUB2_EFI_CONFIG_PATH = $(ROOTFS_ISO9660_TMP_TARGET_DIR)/$(ROOTFS
 
 ifeq ($(BR2_ARCH_IS_64),y)
 # Backup 64-bit bootloader for use with future 32-bit builds
-define ROOTFS_ISO9660_BACKUP_X64_EFI
+define ROOTFS_ISO9660_BACKUP_RESTORE_X64_EFI
 	$(INSTALL) -D -m 0644 $(ROOTFS_ISO9660_EFI_PARTITION_CONTENT)/$(ROOTFS_ISO9660_GRUB2_EFI_PREFIX)/bootx64.efi \
 		$(TOPDIR)/board/shredos/bootx64.efi
 endef
 else
 # We are building for 32-bit, but also add the 64-bit bootloader
-define ROOTFS_ISO9660_RESTORE_X64_EFI
+define ROOTFS_ISO9660_BACKUP_RESTORE_X64_EFI
 	$(INSTALL) -D -m 0644 $(TOPDIR)/board/shredos/bootx64.efi \
 		$(ROOTFS_ISO9660_EFI_PARTITION_CONTENT)/$(ROOTFS_ISO9660_GRUB2_EFI_PREFIX)/bootx64.efi
 	$(INSTALL) -D -m 0644 $(ROOTFS_ISO9660_EFI_PARTITION_CONTENT)/$(ROOTFS_ISO9660_GRUB2_EFI_PREFIX)/bootx64.efi \
@@ -169,8 +169,7 @@ define ROOTFS_ISO9660_INSTALL_GRUB2_EFI
 	# Install memtest binaries to ISO9660 filesystem
 	$(ROOTFS_ISO9660_COPY_MEMTEST_BINARIES)
 	# Either backup or restore the 64-bit bootloader
-	$(ROOTFS_ISO9660_BACKUP_X64_EFI)
-	$(ROOTFS_ISO9660_RESTORE_X64_EFI)
+	$(ROOTFS_ISO9660_BACKUP_RESTORE_X64_EFI)
 	# Create file to better find ISO9660 filesystem
 	$(INSTALL) -D -m 0644 /dev/null \
 		$(ROOTFS_ISO9660_TMP_TARGET_DIR)/$(ROOTFS_ISO9660_GRUB2_EFI_IDENT_FILE)
@@ -276,13 +275,13 @@ endef
 
 ifeq ($(BR2_ARCH_IS_64),y)
 # Backup 64-bit bootloader for use with future 32-bit builds
-define ROOTFS_ISO9660_BACKUP_X64_EFI
+define ROOTFS_ISO9660_BACKUP_RESTORE_X64_EFI
 	$(INSTALL) -D -m 0644 $(ROOTFS_ISO9660_EFI_PARTITION_CONTENT)/$(ROOTFS_ISO9660_GRUB2_EFI_PREFIX)/bootx64.efi \
 		$(TOPDIR)/board/shredos/bootx64.efi
 endef
 else
 # We are building for 32-bit, but also add the 64-bit bootloader
-define ROOTFS_ISO9660_RESTORE_X64_EFI
+define ROOTFS_ISO9660_BACKUP_RESTORE_X64_EFI
 	$(INSTALL) -D -m 0644 $(TOPDIR)/board/shredos/bootx64.efi \
 		$(ROOTFS_ISO9660_EFI_PARTITION_CONTENT)/$(ROOTFS_ISO9660_GRUB2_EFI_PREFIX)/bootx64.efi
 	$(INSTALL) -D -m 0644 $(ROOTFS_ISO9660_EFI_PARTITION_CONTENT)/$(ROOTFS_ISO9660_GRUB2_EFI_PREFIX)/bootx64.efi \
@@ -294,8 +293,7 @@ define ROOTFS_ISO9660_INSTALL_GRUB2_EFI
 	# Install memtest binaries to ISO9660 filesystem
 	$(ROOTFS_ISO9660_COPY_MEMTEST_BINARIES)
 	# Either backup or restore the 64-bit bootloader
-	$(ROOTFS_ISO9660_BACKUP_X64_EFI)
-	$(ROOTFS_ISO9660_RESTORE_X64_EFI)
+	$(ROOTFS_ISO9660_BACKUP_RESTORE_X64_EFI)
 	# Create file to better find ISO9660 filesystem
 	$(INSTALL) -D -m 0644 /dev/null \
 		$(ROOTFS_ISO9660_TMP_TARGET_DIR)/$(ROOTFS_ISO9660_GRUB2_EFI_IDENT_FILE)