diff --git a/facefusion/program.py b/facefusion/program.py
index 57156bc6..09f44fc1 100755
--- a/facefusion/program.py
+++ b/facefusion/program.py
@@ -926,7 +926,7 @@ def create_job_id_program() -> ArgumentParser:
 	program.add_argument(
 		'job_id',
 		help = translator.get('help.job_id'),
-		type=sanitize_job_id
+		type = sanitize_job_id
 	)
 
 	return program
diff --git a/facefusion/sanitizer.py b/facefusion/sanitizer.py
index 791d0862..285814cd 100644
--- a/facefusion/sanitizer.py
+++ b/facefusion/sanitizer.py
@@ -1,8 +1,8 @@
 import hashlib
-from typing import Sequence
+from typing import Optional, Sequence
 
 
-def sanitize_job_id(job_id : str) -> str:
+def sanitize_job_id(job_id : str) -> Optional[str]:
 	__job_id__ = job_id.replace('-', '')
 
 	if __job_id__.isalnum():