diff --git a/Dockerfile b/Dockerfile
index 358297e..24e6bae 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,4 +2,4 @@ FROM python
 
 ADD manual_test.py /python/manual_test.py
 
-CMD ['python3','-u','/python/manual_test.py']
\ No newline at end of file
+CMD ["python3","-u","/python/manual_test.py"]
\ No newline at end of file