diff --git a/root/etc/cont-init.d/30-config b/root/etc/cont-init.d/30-config
index 40f6d81..3c9bc24 100644
--- a/root/etc/cont-init.d/30-config
+++ b/root/etc/cont-init.d/30-config
@@ -5,15 +5,22 @@ mkdir -p /config/qBittorrent
 
 # copy config
 [[ ! -e /config/qBittorrent/qBittorrent.conf ]] && \
-	cp /defaults/qBittorrent.conf /config/qBittorrent/qBittorrent.conf
+    cp /defaults/qBittorrent.conf /config/qBittorrent/qBittorrent.conf
+
+# v4.3.3 BT_backup migration
+[[ -d /config/data/qBittorrent/BT_backup/ ]] && \
+    mv /config/qBittorrent/BT_backup/ /config/qBittorrent/BT_backup.bak/ && \
+    mkdir /config/qBittorrent/BT_backup/ && \
+    cp -a /config/data/qBittorrent/BT_backup/.  /config/qBittorrent/BT_backup/ && \
+    mv /config/data/qBittorrent/BT_backup/ /config/data/qBittorrent/BT_backup.old/
 
 # chown download directory if currently not set to abc
 if [[ -d /downloads ]]; then
-  if [[ "$(stat -c '%U' /downloads)" != "abc" ]]; then
-    chown -R abc:abc /downloads
-  fi
+    if [[ "$(stat -c '%U' /downloads)" != "abc" ]]; then
+        chown -R abc:abc /downloads
+    fi
 fi
 
 # permissions
 chown -R abc:abc \
-	/config
+    /config
diff --git a/root/etc/services.d/qbittorrent/run b/root/etc/services.d/qbittorrent/run
index 71651a0..4d19e8f 100644
--- a/root/etc/services.d/qbittorrent/run
+++ b/root/etc/services.d/qbittorrent/run
@@ -3,4 +3,4 @@
 WEBUI_PORT=${WEBUI_PORT:-8080}
 
 exec \
-	s6-setuidgid abc /usr/bin/qbittorrent-nox --webui-port="${WEBUI_PORT}"
+    s6-setuidgid abc /usr/bin/qbittorrent-nox --webui-port="${WEBUI_PORT}"