dont forget to specify file name
diff --git a/xos/util/logger.py b/xos/util/logger.py
index a88771e..f61a604 100644
--- a/xos/util/logger.py
+++ b/xos/util/logger.py
@@ -156,7 +156,7 @@
error_logger = Logger(loggername='error', level=logging.ERROR)
critical_logger = Logger(loggername='critical', level=logging.CRITICAL)
logger = info_logger
-observer_logger = Logger(loggername='observer', level=logging.ERROR)
+observer_logger = Logger(logfile='/var/log/observer.log', loggername='observer', level=logging.ERROR)
########################################
import time