diff --git a/git-status-all b/git-status-all
index 8a4890a..f2a9f73 100755
--- a/git-status-all
+++ b/git-status-all
@@ -39,13 +39,14 @@ def working_directory(directory: Path):
 
 
 @click.command
-@click.argument('topdirs',  nargs=-1)
+@click.argument('topdirs',  nargs=-1, type=click.Path(exists=True, file_okay=False,
+                                                      path_type=Path))
 @click.option('-l', '--list', 'list_', is_flag=True, default=False,
               help='Just list the dirty directories')
 def search_dirty(topdirs, list_):
     """Search for dirty git working directories in TOPDIRS"""
     if len(topdirs) == 0:
-        topdirs = ["."]
+        topdirs = [Path(".")]
 
     for topdir in topdirs:
         for git_directory in git_directories(topdir):