diff --git a/applications/utilities/postProcessing/graphics/PV4Readers/PV4FoamReader/PV4FoamReader/PV4FoamReader_SM.xml b/applications/utilities/postProcessing/graphics/PV4Readers/PV4FoamReader/PV4FoamReader/PV4FoamReader_SM.xml
index f030db9eb2..7fa63a116f 100644
--- a/applications/utilities/postProcessing/graphics/PV4Readers/PV4FoamReader/PV4FoamReader/PV4FoamReader_SM.xml
+++ b/applications/utilities/postProcessing/graphics/PV4Readers/PV4FoamReader/PV4FoamReader/PV4FoamReader_SM.xml
@@ -167,6 +167,19 @@
       </Documentation>
     </IntVectorProperty>
 
+    <!-- Force GUI update check box -->
+    <IntVectorProperty
+      name="UpdateGUI"
+      command="SetUpdateGUI"
+      number_of_elements="1"
+      default_values="0"
+      animateable="0">
+      <BooleanDomain name="bool"/>
+      <Documentation>
+        A simple way to cause a reader GUI modification.
+      </Documentation>
+    </IntVectorProperty>
+
     <!--
        | Selections
        -->