diff --git a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/basic/dto/grids/FeatureVectorSummaryGridColumnIDs.java b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/basic/dto/grids/FeatureVectorSummaryGridColumnIDs.java
index 7c920a3dfa53f4b823f6f9113889476dd8e100bb..e0c05a938689dfa39dd9702502cc96f85616734a 100644
--- a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/basic/dto/grids/FeatureVectorSummaryGridColumnIDs.java
+++ b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/basic/dto/grids/FeatureVectorSummaryGridColumnIDs.java
@@ -25,6 +25,6 @@ public class FeatureVectorSummaryGridColumnIDs
 
     public static final String DETAILS = "details";
 
-    public static final String RANK_PREFIX = "RANK";
+    public static final String RANK_PREFIX = "RANK-";
 
 }