diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/grid/expressions/common/AbstractGridCustomExpressionEditOrRegisterDialog.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/grid/expressions/common/AbstractGridCustomExpressionEditOrRegisterDialog.java
index a2e62e64b7db1fe25810102685e0307dfbbb7942..77cbb5120afc384a60f4075f995dee2e2df37f96 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/grid/expressions/common/AbstractGridCustomExpressionEditOrRegisterDialog.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/grid/expressions/common/AbstractGridCustomExpressionEditOrRegisterDialog.java
@@ -87,7 +87,7 @@ abstract public class AbstractGridCustomExpressionEditOrRegisterDialog extends
         this.gridId = gridId;
         addField(nameField = createTextField(viewContext.getMessage(Dict.NAME), true));
         nameField.setId(createId(gridId, NAME_FIELD));
-        addField(descriptionField = createDescriptionField(viewContext, true));
+        addField(descriptionField = createDescriptionField(viewContext, false));
         descriptionField.setId(createId(gridId, DESCRIPTION_FIELD));
         addField(expressionField = createExpressionField());
         expressionField.setId(createId(gridId, EXPRESSION_FIELD));