diff --git a/demo/app/src/main/resources/log4j.properties b/demo/app/src/main/resources/log4j.properties
index 77666ae..82e4df2 100644
--- a/demo/app/src/main/resources/log4j.properties
+++ b/demo/app/src/main/resources/log4j.properties
@@ -7,7 +7,8 @@ log4j.logger.ro.fortsoft.pf4j=DEBUG, Console
 # !!! Put the bellow classes on level TRACE when you are in trouble
 log4j.logger.ro.fortsoft.pf4j.PluginClassLoader=WARN, Console
 log4j.logger.ro.fortsoft.pf4j.AbstractExtensionFinder=DEBUG, Console
-log4j.additivity.ro.fortsoft.pf4j=false
+log4j.additivity.ro.fortsoft.pf4j.PluginClassLoader=false
+log4j.additivity.ro.fortsoft.pf4j.AbstractExtensionFinder=false
 
 #
 # Appenders