diff --git a/lib/git.py b/lib/git.py
index c544524..2fa647e 100644
--- a/lib/git.py
+++ b/lib/git.py
@@ -181,7 +181,7 @@ class Git:
     #                logging.warning(f"Error removing file {path}: {e}")
 
     def add(self, filename):
-        self.git_run(["add", ":(literal)" + filename])
+        self.git_run(["add", ":(literal)" + str(filename)])
 
     def add_default_gitignore(self):
         if not (self.path / ".gitignore").exists():