diff --git a/deep_sequencing_unit/etc/service.properties b/deep_sequencing_unit/etc/service.properties
index 70c253e1c5b0d312b22fb9c18cf132724a94258c..69016c089875d9555ed17ed4574e43572ae15957 100644
--- a/deep_sequencing_unit/etc/service.properties
+++ b/deep_sequencing_unit/etc/service.properties
@@ -75,7 +75,7 @@ failure-interval = 10
 quiet-period = 10
 
 # Globally used separator character which separates entities in a data set file name 
-data-set-file-name-entity-separator = _
+data-set-file-name-entity-separator = :
 
 # Specifies what should happen if an error occurs during dataset processing. 
 # By default this flag is set to false and user has to modify the 'faulty paths file' 
@@ -127,7 +127,7 @@ flow-cell.incoming-data-completeness-condition = auto-detection
 flow-cell.data-set-info-extractor = ch.systemsx.cisd.etlserver.DefaultDataSetInfoExtractor
 flow-cell.data-set-info-extractor.strip-file-extension = true
 flow-cell.data-set-info-extractor.entity-separator = ${data-set-file-name-entity-separator}
-flow-cell.data-set-info-extractor.group-code = TEST
+flow-cell.data-set-info-extractor.space-code = BSSE
 # Location of file containing data set properties 
 #flow-cell.data-set-info-extractor.data-set-properties-file-name = data-set.properties