diff --git a/src/Mod/Part/Gui/TaskShapeBuilder.ui b/src/Mod/Part/Gui/TaskShapeBuilder.ui
index 96225080d0..e38c1d5b09 100644
--- a/src/Mod/Part/Gui/TaskShapeBuilder.ui
+++ b/src/Mod/Part/Gui/TaskShapeBuilder.ui
@@ -74,6 +74,9 @@
         <property name="text">
          <string>Refine shape</string>
         </property>
+        <property name="checked">
+         <bool>true</bool>
+        </property>
        </widget>
       </item>
       <item row="8" column="0">