diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/workreports/WorkReportTypeCRUDController.java b/libreplan-webapp/src/main/java/org/libreplan/web/workreports/WorkReportTypeCRUDController.java
index 91bdf456e..4efc32bdb 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/workreports/WorkReportTypeCRUDController.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/workreports/WorkReportTypeCRUDController.java
@@ -246,6 +246,7 @@ public class WorkReportTypeCRUDController extends BaseCRUDController<WorkReportT
 
     private void appendTextboBoxNameDescriptionField(final Row row) {
         Textbox boxName = new Textbox();
+        boxName.setHflex("1");
         boxName.setParent(row);
         boxName
                 .setConstraint(validateIfExistTheSameFieldName((DescriptionField) row
@@ -267,6 +268,7 @@ public class WorkReportTypeCRUDController extends BaseCRUDController<WorkReportT
 
     private void appendIntBoxLengthDescriptionField(final Row row) {
         Intbox boxLength = new Intbox();
+        boxLength.setHflex("1");
         boxLength.setReadonly(isReadOnly());
         boxLength.setParent(row);
         boxLength.setConstraint("no negative, no zero");
diff --git a/libreplan-webapp/src/main/webapp/workreports/_editWorkReportType.zul b/libreplan-webapp/src/main/webapp/workreports/_editWorkReportType.zul
index 0e6295add..97f0cef78 100644
--- a/libreplan-webapp/src/main/webapp/workreports/_editWorkReportType.zul
+++ b/libreplan-webapp/src/main/webapp/workreports/_editWorkReportType.zul
@@ -131,7 +131,7 @@
                 <newdatasortablegrid id="listDescriptionFields" mold="paging" pageSize="4" fixedLayout="true"
                     model="@{controller.descriptionFields}" rowRenderer= "@{controller.descriptionFieldsRowRender}">
                     <columns>
-                      <newdatasortablecolumn label="${i18n:_('Name')}" width="300px" sort="auto(lower(fieldName))" sortDirection="ascending"/>
+                      <newdatasortablecolumn label="${i18n:_('Name')}" sort="auto(lower(fieldName))" sortDirection="ascending"/>
                       <newdatasortablecolumn label="${i18n:_('Length')}" width="200px" align="center"/>
                       <newdatasortablecolumn label="${ i18n:_('Position')}" width="200px" align="center"/>
                       <newdatasortablecolumn visible = "@{controller.editable}" label="${i18n:_('Operations')}" width="150px" align="center"/>