diff --git a/ganttzk/src/main/resources/web/ganttz/zul/leftTasksTree.zul b/ganttzk/src/main/resources/web/ganttz/zul/leftTasksTree.zul
index 506a8bc0c..a77490678 100644
--- a/ganttzk/src/main/resources/web/ganttz/zul/leftTasksTree.zul
+++ b/ganttzk/src/main/resources/web/ganttz/zul/leftTasksTree.zul
@@ -26,9 +26,9 @@
 <tree id="tasksTree" fixedLayout="true" sclass="taskTreeCols">
     <treecols sizable="false" height="33px">
         <treecol label="${ganttzk_i18n:_('Name')}" sclass="tree-text" />
-        <treecol label="${ganttzk_i18n:_('Start')}" width="76px" />
-        <treecol label="${ganttzk_i18n:_('End')}" width="76px" />
-        <treecol label="${ganttzk_i18n:_('Status T/M')}" width="76px" />
+        <treecol label="${ganttzk_i18n:_('Start')}" width="60px" />
+        <treecol label="${ganttzk_i18n:_('End')}" width="60px" />
+        <treecol label="${ganttzk_i18n:_('T / M')}" width="55px" />
     </treecols>
 </tree>
 </div>
diff --git a/ganttzk/src/main/resources/web/ganttz/zul/plannerLayout.zul b/ganttzk/src/main/resources/web/ganttz/zul/plannerLayout.zul
index f3947a669..ae21cb7ae 100644
--- a/ganttzk/src/main/resources/web/ganttz/zul/plannerLayout.zul
+++ b/ganttzk/src/main/resources/web/ganttz/zul/plannerLayout.zul
@@ -102,7 +102,7 @@ planner = self;
 
         <center border="0">
             <borderlayout sclass="plannerlayout_center" height="100%">
-                <west flex="false" collapsible="true" splittable="true" width="300px"
+                <west flex="false" collapsible="true" splittable="true" width="375px"
                     id="taskdetailsContainer" sclass="taskdetailsContainer">
                             <div sclass="leftpanelgap" id="insertionPointLeftPanel"></div>
                 </west>