diff --git a/conf/jetty/log4j.properties b/conf/jetty/log4j.properties
index fb4299e..e6a6a30 100644
--- a/conf/jetty/log4j.properties
+++ b/conf/jetty/log4j.properties
@@ -1,11 +1,11 @@
 # This file is used for jetty logging before service webapp is loaded when
 # log4j switches to the log4j.properties file in /opt/zimbra/conf.
 
-log4j.threshhold=OFF
+appender.console.type = Console
+appender.console.name = STDOUT
+appender.console.layout.type = PatternLayout
+appender.console.layout.pattern = %-4r %-5p [%t] %c{1} - %m%n
 
-log4j.rootLogger=INFO,CONSOLE
+rootLogger.level = INFO
+rootLogger.appenderRef.stdout.ref = STDOUT
 
-# CONSOLE is set to be a ConsoleAppender which outputs to System.out.
-log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
-log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
-log4j.appender.CONSOLE.layout.ConversionPattern=%-4r %-5p [%t] %c{1} - %m%n
diff --git a/conf/jetty/log4j.properties.production b/conf/jetty/log4j.properties.production
index fb4299e..a90ff36 100644
--- a/conf/jetty/log4j.properties.production
+++ b/conf/jetty/log4j.properties.production
@@ -1,11 +1,12 @@
 # This file is used for jetty logging before service webapp is loaded when
 # log4j switches to the log4j.properties file in /opt/zimbra/conf.
+# CONSOLE is set to be a ConsoleAppender which outputs to System.out
 
-log4j.threshhold=OFF
+appender.console.type = Console
+appender.console.name = STDOUT
+appender.console.layout.type = PatternLayout
+appender.console.layout.pattern = %-4r %-5p [%t] %c{1} - %m%n
 
-log4j.rootLogger=INFO,CONSOLE
+rootLogger.level = INFO
+rootLogger.appenderRef.stdout.ref = STDOUT
 
-# CONSOLE is set to be a ConsoleAppender which outputs to System.out.
-log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
-log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
-log4j.appender.CONSOLE.layout.ConversionPattern=%-4r %-5p [%t] %c{1} - %m%n