diff --git a/libreplan-webapp/src/main/webapp/planner/taskpanels/_taskInformation.zul b/libreplan-webapp/src/main/webapp/planner/taskpanels/_taskInformation.zul
index 6fa2e6bf9..650c9665c 100644
--- a/libreplan-webapp/src/main/webapp/planner/taskpanels/_taskInformation.zul
+++ b/libreplan-webapp/src/main/webapp/planner/taskpanels/_taskInformation.zul
@@ -27,9 +27,9 @@
         <caption label="${i18n:_('Task Information')}" />
 
         <!-- Task rows  -->
-        <grid id="gridTaskRows" width="100%">
+        <grid id="gridTaskRows">
             <columns>
-                <column label="${i18n:_('Criteria')}" width="300px" align="center"/>
+                <column label="${i18n:_('Criteria')}" width="290px" hflex="1" align="center"/>
                 <column label="${i18n:_('Type')}" width="140px" align="center"/>
                 <column label="${i18n:_('Hours')}" width="80px" align="center"/>
             </columns>