diff --git a/dockertidy/logger.py b/dockertidy/logger.py
index 389a9a7..4a35668 100644
--- a/dockertidy/logger.py
+++ b/dockertidy/logger.py
@@ -12,7 +12,7 @@ from dockertidy.utils import Singleton
 from dockertidy.utils import to_bool
 
 CONSOLE_FORMAT = "{}[%(levelname)s]{} %(message)s"
-JSON_FORMAT = "(asctime) (levelname) (message)"
+JSON_FORMAT = "%(asctime)s %(levelname)s %(message)s"
 
 
 def _should_do_markup():