diff --git a/datastore_server/source/java/ch/systemsx/cisd/etlserver/registrator/AbstractOmniscientTopLevelDataSetRegistrator.java b/datastore_server/source/java/ch/systemsx/cisd/etlserver/registrator/AbstractOmniscientTopLevelDataSetRegistrator.java
index 3a34b81a139009a2c886c2c18d393b6c59c85e00..7dd5b57a6f3f7b8716b37b3446bdd7478ae8f19c 100644
--- a/datastore_server/source/java/ch/systemsx/cisd/etlserver/registrator/AbstractOmniscientTopLevelDataSetRegistrator.java
+++ b/datastore_server/source/java/ch/systemsx/cisd/etlserver/registrator/AbstractOmniscientTopLevelDataSetRegistrator.java
@@ -334,7 +334,7 @@ public abstract class AbstractOmniscientTopLevelDataSetRegistrator<T extends Dat
         sb.append(getGlobalState().getValidationScriptOrNull());
         sb.append("] found errors in incoming data set [");
         sb.append(incomingDataSetFile);
-        sb.append("]:");
+        sb.append("]:\n");
         for (ValidationError error : validationErrors)
         {
             sb.append("\t");