diff --git a/etc/log4j.properties b/etc/log4j.properties
index d714f791dc537de7e2620242fe4f862020053fe2..1fcb68fee4c8bd8d66b8299cda3a373952c85c67 100644
--- a/etc/log4j.properties
+++ b/etc/log4j.properties
@@ -37,6 +37,7 @@ log4j.logger.uk.ac.sanger.artemis.components.variant=DEBUG, R
 log4j.logger.uk.ac.sanger.artemis.io.ReadAndWriteEntry=DEBUG, R
 log4j.logger.uk.ac.sanger.artemis.io.GFFStreamFeature=DEBUG, R
 log4j.logger.uk.ac.sanger.artemis.util.FTPSeekableStream=DEBUG, R
+log4j.logger.uk.ac.sanger.artemis.plot.UserDataAlgorithm=DEBUG, R
 
 #log4j.logger.com.ibatis.common.jdbc.SimpleDataSource=DEBUG, stdout, R
 #log4j.logger.com.ibatis.common.jdbc.ScriptRunner=DEBUG, stdout, R