diff --git a/log4cxx.properties b/log4cxx.properties
index a3663c4..9593e06 100644
--- a/log4cxx.properties
+++ b/log4cxx.properties
@@ -13,7 +13,7 @@
 
 log4j.logger.Executor = ERROR
 log4j.logger.Sync.Log = ERROR
-log4j.logger.Sync.Core = DEBUG
+log4j.logger.Sync.Core = ERROR
 log4j.logger.Scheduler = ERROR
 
 #log4j.logger.Sync = DEBUG