diff --git a/src/main/resources/log4j.properties b/src/main/resources/log4j.properties
index 5fed33b..eacf929 100644
--- a/src/main/resources/log4j.properties
+++ b/src/main/resources/log4j.properties
@@ -1,4 +1,4 @@
-log4j.rootLogger = ERROR, stdout
+# log4j.rootLogger = ERROR, stdout
 
 # Queries:
 # log4j.logger.de.ids_mannheim.korap.query.SpanNextQuery = TRACE, stdout
@@ -21,7 +21,7 @@
 
 # Collections:
 # log4j.logger.de.ids_mannheim.korap.collection.Filter = TRACE, stdout
-# log4j.logger.de.ids_mannheim.korap.KrillCollection = TRACE, stdout
+log4j.logger.de.ids_mannheim.korap.KrillCollection = TRACE, stdout
 
 # Responses:
 # log4j.logger.de.ids_mannheim.korap.server.Node = TRACE, stdout