diff --git a/common/source/java/ch/systemsx/cisd/common/test/LogMonitoringAppender.java b/common/source/java/ch/systemsx/cisd/common/test/LogMonitoringAppender.java
index 1f0997b6e5b38959b382295e0a2dfdb8fa9debaa..50a0f06db4a90ac0660ebcf5332c77fead454117 100644
--- a/common/source/java/ch/systemsx/cisd/common/test/LogMonitoringAppender.java
+++ b/common/source/java/ch/systemsx/cisd/common/test/LogMonitoringAppender.java
@@ -123,7 +123,7 @@ public final class LogMonitoringAppender extends AppenderSkeleton
             return StringUtils.EMPTY;
         } else
         {
-            return info.getThrowableStrRep()[0];
+            return StringUtils.join(info.getThrowableStrRep(), "\n");
         }
     }