diff --git a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/ExperimentPlateLocationsSection.java b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/ExperimentPlateLocationsSection.java
index 1a58f49645cb3c39061f0fdf6aa0734b933f0437..8880b03b5efbcaf99d39995837550d94214438ba 100644
--- a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/ExperimentPlateLocationsSection.java
+++ b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/client/web/client/application/detailviewers/ExperimentPlateLocationsSection.java
@@ -65,6 +65,7 @@ public class ExperimentPlateLocationsSection extends SingleSectionPanel
         this.exactMatchOnly =
                 new CheckBoxField(screeningViewContext.getMessage(Dict.EXACT_MATCH_ONLY), false);
         exactMatchOnly.setBoxLabel(screeningViewContext.getMessage(Dict.EXACT_MATCH_ONLY));
+        exactMatchOnly.setValue(true);
         setDisplayID(DisplayTypeIDGenerator.PLATE_MATERIAL_REVIEWER, ID_SUFFIX);
         screeningViewContext.getCommonService().listMaterialTypes(
                 new AbstractAsyncCallback<List<MaterialType>>(screeningViewContext)