diff --git a/common/org.gnome.Vino.gschema.xml b/common/org.gnome.Vino.gschema.xml
index 16b1b35..de1ed61 100644
--- a/common/org.gnome.Vino.gschema.xml
+++ b/common/org.gnome.Vino.gschema.xml
@@ -84,8 +84,8 @@
         which allows any remote user to connect.
       </description>
       <choices>
-        <choice value='none'/>
-        <choice value='vnc'/>
+        <choice value="['none']"/>
+        <choice value="['vnc']"/>
       </choices>
       <default>['none']</default>
     </key>
