diff --git a/oft b/oft
index 029c675..95496d1 100755
--- a/oft
+++ b/oft
@@ -220,7 +220,7 @@
     """
     Set up logging based on config
     """
-    _format = "%(asctime)s.%(msecs)d  %(name)-10s: %(levelname)-8s: %(message)s"
+    _format = "%(asctime)s.%(msecs)03d  %(name)-10s: %(levelname)-8s: %(message)s"
     _datefmt = "%H:%M:%S"
     _mode = config["log_append"] and "a" or "w"
     if config['log_file'] in [ "-", "stderr" ]: