diff --git a/conf/log4j.properties b/conf/log4j.properties
index 4d20e66b10..75b128ed7f 100644
--- a/conf/log4j.properties
+++ b/conf/log4j.properties
@@ -27,8 +27,8 @@ log4j.appender.stdout.layout.ConversionPattern=%5p %d{HH:mm:ss,SSS} %m%n
 
 # rolling log file
 log4j.appender.R=org.apache.log4j.RollingFileAppender
-log4j.appender.file.maxFileSize=20MB
-log4j.appender.file.maxBackupIndex=50
+log4j.appender.R.maxFileSize=20MB
+log4j.appender.R.maxBackupIndex=50
 log4j.appender.R.layout=org.apache.log4j.PatternLayout
 log4j.appender.R.layout.ConversionPattern=%5p [%t] %d{ISO8601} %F (line %L) %m%n
 # Edit the next line to point to your logs directory