diff --git a/src/Gui/DlgExpressionInput.ui b/src/Gui/DlgExpressionInput.ui
index 287399daa4..988815acff 100644
--- a/src/Gui/DlgExpressionInput.ui
+++ b/src/Gui/DlgExpressionInput.ui
@@ -182,7 +182,7 @@
           <string>Revert to last calculated value (as constant)</string>
          </property>
          <property name="autoDefault">
-          <bool>false</bool>
+          <bool>true</bool>
          </property>
          <property name="default">
           <bool>false</bool>
@@ -194,6 +194,12 @@
          <property name="text">
           <string>Ok</string>
          </property>
+         <property name="autoDefault">
+          <bool>true</bool>
+         </property>
+         <property name="default">
+          <bool>true</bool>
+         </property>
         </widget>
        </item>
       </layout>