diff --git a/great_ai/__main__.py b/great_ai/__main__.py
index 3cc12be..9a16916 100644
--- a/great_ai/__main__.py
+++ b/great_ai/__main__.py
@@ -76,9 +76,13 @@ def serve() -> None:
 
         finally:
             if args.file_name.endswith(".ipynb"):
-                Path(get_script_name_of_notebook(args.file_name)).unlink(
-                    missing_ok=True
-                )
+                try:
+                    Path(get_script_name_of_notebook(args.file_name)).unlink(
+                        missing_ok=True
+                    )
+                except FileNotFoundError:
+                    # missing_ok only exists >= Python 3.8
+                    pass
     else:
 
         class EventHandler(PatternMatchingEventHandler):
@@ -124,9 +128,13 @@ def stop_server(self) -> None:
             observer.stop()
             restart_handler.stop_server()
             if args.file_name.endswith(".ipynb"):
-                Path(get_script_name_of_notebook(args.file_name)).unlink(
-                    missing_ok=True
-                )
+                try:
+                    Path(get_script_name_of_notebook(args.file_name)).unlink(
+                        missing_ok=True
+                    )
+                except FileNotFoundError:
+                    # missing_ok only exists >= Python 3.8
+                    pass
             observer.join()