diff --git a/docker.sh b/docker.sh
index 84c4f21..e64fd1f 100755
--- a/docker.sh
+++ b/docker.sh
@@ -69,7 +69,7 @@ mkdir -p ${APT_BACKUP_PATH}
 (cd ${APT_PATH}; find . -type f -iname "*.deb") | sed 's+^\./++' > ${local_filelist}
 comm <(sort $remote_filelist) <(sort $local_filelist) -13 | while read file; do
 	echo "deleting ${file}"
-	mv $file ${APT_BACKUP_PATH}
+	mv "${APT_PATH}/$file" ${APT_BACKUP_PATH}
 done
 
 rm ${remote_filelist} ${local_filelist}
diff --git a/termux.sh b/termux.sh
index 8408462..1b25074 100755
--- a/termux.sh
+++ b/termux.sh
@@ -11,9 +11,20 @@ base_url=${TUNASYNC_UPSTREAM_URL:-"https://termux.net"}
 
 ARCHES=("aarch64" "all" "arm" "i686")
 
+remote_filelist="${BASE_PATH}/filelist.remote"
+local_filelist="${BASE_PATH}/filelist.local"
+
 for arch in ${ARCHES[@]}; do
 	echo "start syncing: ${arch}"
-	apt-download-binary "${base_url}" "stable" "main" "${arch}" "${BASE_PATH}" || true
+	apt-download-binary "${base_url}" "stable" "main" "${arch}" "${BASE_PATH}" ${remote_filelist} || true
+done
+
+BACKUP_PATH="${BASE_PATH}/backup/"
+mkdir -p ${BACKUP_PATH}
+(cd ${BASE_PATH}; find . -type f -iname "*.deb") | sed 's+^\./++' > ${local_filelist}
+comm <(sort $remote_filelist) <(sort $local_filelist) -13 | while read file; do
+	echo "deleting ${file}"
+	mv "${BASE_PATH}/$file" ${BACKUP_PATH}
 done
 
 echo "finished"
diff --git a/test/apt_test.sh b/test/apt_test.sh
index 7d842f4..c2a67cb 100755
--- a/test/apt_test.sh
+++ b/test/apt_test.sh
@@ -33,7 +33,7 @@ mkdir -p ${APT_BACKUP_PATH}
 (cd ${APT_PATH}; find . -type f -iname "*.deb") | sed 's+^\./++' > ${local_filelist}
 comm <(sort $remote_filelist) <(sort $local_filelist) -13 | while read file; do
 	echo "deleting ${file}"
-	mv $file ${APT_BACKUP_PATH}
+	mv "${APT_PATH}/$file" ${APT_BACKUP_PATH}
 done
 
 rm ${remote_filelist} ${local_filelist}