diff --git a/ct/homebox.sh b/ct/homebox.sh
index 16f5f1504..2aa80dd69 100644
--- a/ct/homebox.sh
+++ b/ct/homebox.sh
@@ -22,7 +22,7 @@ function update_script() {
   header_info
   check_container_storage
   check_container_resources
-  if [[ ! -d /opt/homebox ]]; then
+  if [[ ! -f /etc/systemd/system/homebox.service ]]; then
     msg_error "No ${APP} Installation Found!"
     exit
   fi