diff --git a/src/bubblejail/bubblejail_directories.py b/src/bubblejail/bubblejail_directories.py
index faa80f6..c190ad3 100644
--- a/src/bubblejail/bubblejail_directories.py
+++ b/src/bubblejail/bubblejail_directories.py
@@ -292,7 +292,7 @@ def overwrite_desktop_entry_for_profile(
                                     / f"bubble_{instance_name}.desktop")
 
         new_dot_desktop.write(
-            filename=new_dot_desktop_path
+            filename=str(new_dot_desktop_path)
         )
 
         # Update desktop MIME database