diff --git a/src/_shallow-backup b/src/_shallow-backup
index 4fbfc08..212118b 100644
--- a/src/_shallow-backup
+++ b/src/_shallow-backup
@@ -43,7 +43,7 @@ _shallow-backup() {
     _arguments \
       '(- 1 *)'{-h,--help}'[Show help and exit]' \
       '(- 1 *)'{-v,--version}'[Print version]' \
-      '--add-dot[Add a dotfile or dotfolder to config by path]':PATH \
+      '--add-dot[Add a dotfile or dotfolder to config by path]:PATH:_files' \
       '--backup-all[Full back up]' \
       '--backup-configs[Back up app config files]' \
       '--backup-dots[Back up dotfiles]' \