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-rw-r--r--target/linux/ar71xx/base-files/lib/upgrade/dir825.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/target/linux/ar71xx/base-files/lib/upgrade/dir825.sh b/target/linux/ar71xx/base-files/lib/upgrade/dir825.sh
index eac0aef1b8..c694c2e6f2 100644
--- a/target/linux/ar71xx/base-files/lib/upgrade/dir825.sh
+++ b/target/linux/ar71xx/base-files/lib/upgrade/dir825.sh
@@ -75,7 +75,7 @@ dir825b_do_upgrade_combined() {
if [ -n "$fw_mtd" ] && [ ${fw_blocks:-0} -gt 0 ]; then
local append=""
- [ -f "$CONF_TAR" -a "$UPGRADE_OPT_SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
+ [ -f "$UPGRADE_BACKUP" -a "$UPGRADE_OPT_SAVE_CONFIG" -eq 1 ] && append="-j $UPGRADE_BACKUP"
sync
dd if="$fw_file" bs=64k skip=1 count=$fw_blocks 2>/dev/null | \