diff --git a/update b/update
index 80b8f83..f2bdde9 100755
--- a/update
+++ b/update
@@ -79,7 +79,7 @@ before_backup() {
     mkdir --parents "$TMP"/before-backup_"$DATE" "$TMP"/after-backup_"$DATE"
 
     pacman --verbose --query > "$TMP"/before-backup_"$DATE"/pacman-before.txt
-    [[ -f /usr/bin/flatpak ]] && flatpak list --all --show-details > "$TMP"/before-backup_"$DATE"/flatpak-before.txt
+    [[ -x /usr/bin/flatpak ]] && flatpak list --all --show-details > "$TMP"/before-backup_"$DATE"/flatpak-before.txt
 
     tar --create --zstd --file "$TMP"/before-backup_"$DATE".tar.zst.new "$TMP"/before-backup_"$DATE" /var/lib/pacman/local > /dev/null 2>&1    # for some reason it needs the output suppresion
     mv "$TMP"/before-backup_"$DATE".tar.zst.new "$BACKUP_LOCATION"
@@ -90,7 +90,7 @@ before_backup() {
 
 after_backup() {
     pacman --verbose --query > "$TMP"/after-backup_"$DATE"/pacman-after.txt
-    flatpak list --all --show-details > "$TMP"/after-backup_"$DATE"/flatpak-after.txt
+    [[ -x /usr/bin/flatpak ]] && flatpak list --all --show-details > "$TMP"/after-backup_"$DATE"/flatpak-after.txt
     tar --create --zstd --file "$TMP"/after-backup_"$DATE".tar.zst.new "$TMP"/after-backup_"$DATE" > /dev/null 2>&1
 
     mv "$TMP"/after-backup_"$DATE".tar.zst.new "$BACKUP_LOCATION"
@@ -128,6 +128,7 @@ if [[ ${1:0:2} == \-\- ]]; then
             before_backup
             delete_oldest_backup before-backup
             mv "$BACKUP_LOCATION"/before-backup_"$DATE".tar.zst.new "$BACKUP_LOCATION"/before-backup_"$DATE".tar.zst
+            [[ $SECONDARY_BACKUP_LOCATION ]] && mv "$SECONDARY_BACKUP_LOCATION"/before-backup_"$DATE".tar.zst.new "$SECONDARY_BACKUP_LOCATION"/before-backup_"$DATE".tar.zst
             rm --recursive --force "$TMP" ;;
         ?)
             help; exit 1;;