Enable checkBox, though the the check status does not take effect...
diff --git a/src/invitelistdialog.ui b/src/invitelistdialog.ui
index 0143de6..71c0fe3 100644
--- a/src/invitelistdialog.ui
+++ b/src/invitelistdialog.ui
@@ -13,7 +13,7 @@
   <property name="windowTitle">
    <string>Dialog</string>
   </property>
-  <widget class="QWidget" name="">
+  <widget class="QWidget" name="layoutWidget">
    <property name="geometry">
     <rect>
      <x>10</x>
@@ -48,7 +48,7 @@
        <string>as introducer</string>
       </property>
       <property name="checkable">
-       <bool>false</bool>
+       <bool>true</bool>
       </property>
       <property name="checked">
        <bool>false</bool>
diff --git a/src/startchatdialog.ui b/src/startchatdialog.ui
index 9451b51..d22cde3 100644
--- a/src/startchatdialog.ui
+++ b/src/startchatdialog.ui
@@ -81,7 +81,7 @@
     <string>Set invitee as introducer</string>
    </property>
    <property name="checkable">
-    <bool>false</bool>
+    <bool>true</bool>
    </property>
   </widget>
  </widget>