diff --git a/src/java/log4j.properties b/src/java/log4j.properties
index 9c76784c..8547d2ff 100644
--- a/src/java/log4j.properties
+++ b/src/java/log4j.properties
@@ -19,4 +19,4 @@ log4j.appender.FileAppender.maxFileSize=1MB
 log4j.appender.FileAppender.File=davmail.log
 # ConsoleAppender uses PatternLayout.
 log4j.appender.FileAppender.layout=org.apache.log4j.PatternLayout
-log4j.appender.FileAppender.layout.ConversionPattern=%d{ISO8601} - %m%n
+log4j.appender.FileAppender.layout.ConversionPattern=%d{ISO8601} %-5p [%t] %c %x - %m%n